Elementary Statistics Using the TI-83/84 Plus Calculator (5th Edition)

Chapter 3

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The term average used on the website is used to ... more

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The simple answer would be no. This is because of ... more

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They all tend to lie in the middle of the sorted ... more

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Changing the data set from the four given values ... more

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Mean 57.1 ; (b) Median = 60.0; (c) No Mode; (d) ... more

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Mean 231.1 lb ; (b) Median = 225.0 lb; (c) Modes: ... more

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Mean $172.0 million; (b) Median = $160.0 million... more

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Mean $171.25; (b) Median = $174.0; (c) There is no... more

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Mean 7.7 hurricanes; (b) Median = 8.0 hurricanes... more

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Mean 1.88; (b) Median = 2.0; (c) Mode = 1.0 ; (d) ... more

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Mean $1,454.2; (b) Median = $1,500.0; (c) Mode = $... more

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Mean 1.178 W/kg; (b) Median = 1.380 W/kg; (c) Mode... more

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Mean 32.55 mg; (b) Median = 39.5 mg; (c) Mode = 0.... more

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Mean 18.9 firefighters; (b) Median = 19.0 ... more

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Mean in; (b) Median = 9.30 in; (c) Mode = 9.10 in... more

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Mean $47,327.4; (b) Median = $46,953.0; (c) no ... more

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Mean $365.3; (b) Median = $200.0; (c) Mode = $500.... more

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Mean 1.80 million albums; (b) Median = 1.30 ... more

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Mean 2.8 cigarettes; (b) Median = 0.0 cigarettes... more

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Mean 6.6; (b) Median = 7.0; (c) Mode = 8.0; (d) ... more

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Systolic: Mean  = 127.6 mm Hg; Median = 124.0 mm ... more

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Brinks: Mean  = $1.55 million; Median = $1.55 ... more

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Males: Mean  = 69.5 beats per minute; Median = 66.... more

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Single Line: Mean  = 429.0 seconds; Median = 432.0... more

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Mean  =  0.8; Median = 1.0.Ten of the F-scale ... more

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Mean  =  2.572; Median = 2.490.Since the magnitude... more

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Mean ; Median = .Using the results, it appears ... more

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We obtain: Mean  = 3152.0 g; Median = 3300.0 g.We ... more

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The Computed Mean = 36.2 years.The Computed Mean ... more

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The Computed Mean = 44.5 years.The Computed Mean ... more

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The Computed Mean = 224.0 (1000 cells/?L).The ... more

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The Computed Mean = 255.6 (1000 cells/?L).The ... more

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Mean (rounded)  = 3.14.Since the student's mean is... more

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Mean  = 81.2.Using the grading scale provided in ... more

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Ignoring the data for the presidents who are still... more

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The original data set has the mean  = 294.4 lb and... more

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The harmonic mean is 45.3 mi/h. ; There will be ... more

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The geometric mean is 1.015290, and the growth ... more

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The quadratic mean (or RMS) is 72.3 volts, and the... more

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Using the formula provided, the median is 153.1 ... more

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The (estimated) standard deviation is . The exact ... more

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In conclusion, the value of  is significantly high... more

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; We know that the variance is the square of the ... more

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The range: 92.0; the variance:  = 1149.5; the ... more

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The range: 116.0 lb; the variance:  = 1923.7 lb; ... more

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The range: 100.0 million dollars; the variance... more

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The range: $187.0; the variance:  = 4626.2 ; the ... more

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The range: 13.0 hurricanes; the variance:  = 10.2... more

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The range: 3.0; the variance:  = 0.9; the standard... more

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The range: $850.0; the variance:  = 61,117.4 ; the... more

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The range: 0.980 W/kg; the variance:  = 0.114 ; ... more

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The range: 55.0 mg; the variance:  = 413.4 ; the ... more

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The range: 26.0 firefighters; the variance:  = 60.... more

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The range: 1.80 in.; the variance:  = 0.27 ; the ... more

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The range: $2,353.0; the variance:  = 527,910.5 ; ... more

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The range: $2,461.0; the variance:  = 290,400.4 ; ... more

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The range: 5.80 million albums; the variance:  = 2... more

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The range: 50.0 cigarettes; the variance:  = 89.7... more

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The range: 7.0; the variance:  = 3.5; the standard... more

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Systolic: = 127.6; s = 18.6; CV = 14.6%.Diastolic... more

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Brinks: = 1.55; s = 0.18; CV = 11.5%.Not Brinks... more

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Male: = 69.5; s = 11.3; CV = 16.2%.Female: = 82.1... more

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Single Line: = 429.0; s = 28.6; CV = 6.7%.... more

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Range = 4.0;  = 0.9; s = 0.9. ; The minimum value ... more

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Original data set: Range = 3.600;  = 0.423; s = 0.... more

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Range = 3.10 ;  = 0.39 ; s = 0.62. ; The minimum ... more

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Range = 4600.0 g;  = 480,848.1 ; s = 693.4 g.Since... more

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Range = 4.0; the standard deviation using the Rule... more

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Range = 3.600; the standard deviation using the ... more

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Range = 3.100 ; the standard deviation using the ... more

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Range = 4600.0 g; the standard deviation using the... more

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A pulse rate of 44 beats per minute is ... more

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A pulse rate of 50 beats per minute is not ... more

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A foot length of 30 cm is significantly high. ; To... more

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Abody temperature of 100  is significantly high... more

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The computed standard deviation is s = 12.7 years... more

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The computed standard deviation is s = 9.6 years. ... more

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The computed standard deviation is s = 68.4. The ... more

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The computed standard deviation is s = 69.5. The ... more

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At least 89%. The minimum value is 58.9, and the ... more

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At least 75%. The minimum value is 96.96 , and the... more

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The value for the mean absolute deviation of the ... more

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4.07 standard deviations above the mean. ; Since ... more

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The minimum is 155 cm; The maximum is 193.3 cm.= ... more

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The bottom boxplot represents the women weights, ... more

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A z-score of 2 is preferred because a higher z-... more

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Significantly low: less than or equal to 10.9;... more

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Significantly low: less than or equal to 12.4;... more

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Significantly low: less than or equal to 5.51542 g... more

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Significantly low: less than or equal to 31.6 cm;... more

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CBD has the more extreme height. ; In order to ... more

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The female has a higher red blood count, since the... more

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The newborn male has a more extreme birth weight, ... more

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JM’s age is more extreme, since the absolute value... more

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The 58th percentile, . ; If we denote by n the ... more

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The 90th percentile, . ; If we denote by n the ... more

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The 34th percentile, . ; If we denote by n the ... more

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The 86th percentile, . ; If we denote by n the ... more

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= 2.45 Mbps. ; If we denote by n the number of ... more

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= 0.5 Mbps. ; If we denote by n the number of ... more

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= 3.8 Mbps ; If we denote by n the number of ... more

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= 1.05 Mbps ; If we denote by n the number of ... more

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= 1.6 Mbps ; If we denote by n the number of ... more

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= 3.8 Mbps ; If we denote by n the number of ... more

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= 0.5 Mbps ; If we denote by n the number of ... more

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= 8.2 Mbps ; If we denote by n the number of ... more

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The 5-number summary is:Minimum ,,,,Maximum ,with ... more

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The 5-number summary is:Minimum = 0.51 W/kg,= 0.89... more

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The 5-number summary is:Minimum = 128.0 mBq,= 140.... more

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The 5-number summary is:Minimum = 120.0 mm Hg,= ... more

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The two boxplots are below:Male Pulse: Female ... more

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The two boxplots are below:Actresses: Actors: Even... more

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The two boxplots are below:Male BMI: Female BMI: ... more

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The two boxplots are below:Low Lead level group: ... more

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The two modified boxplots are below:Male Pulse: ... more

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= 6.8 hours. ; To find the mean of the data set, ... more

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Median = 7.0 hours. ; To find the median of the ... more

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The Modes are 7.0 hours and 8.0 hours. ; To find ... more

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The variance is  = 1.7. ; The variance  of a data ... more

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Yes; the value of 0 hours is substantially less ... more

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z = - 0.93. ; The formula for the z score of an ... more

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60 sleep times. ; The third quartile  (which is ... more

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Minimum, first quartile, second quartile (or ... more

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hours. ; The Range Rule of Thumb for estimation of... more

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, , , , , and . ; The symbols used are the ... more

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= 1.0 min.Median = 0.5 min.Mode is 1 min.Midrange ... more

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z = -0.13. The prediction error is not significant... more

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5-number summary:Minimum = -7 min.;= -4.5 min.;= ... more

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= 23.0. The numbers used here don't have a real ... more

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The female's score is z = 0.23 and is larger than ... more

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The outlier is 646.With the outlier included: = ... more

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The minimum skull breadth is 119 mm;The first ... more

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The estimated standard deviation is seconds.The ... more

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 Arsenic (g)Frequency0.0 - 1.912.0 - 3.904.0 - 5.... more

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The histogram is: ; A histogram is a bar graph ... more

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The stemplot is:  ; The data set contains numbers ... more

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a. The mean is = 6.09g;b. The median is 6.45g;c. ... more

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The vertical scale starts with 4 instead of 0; it ... more

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The sample data do not appear to come from a ... more

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The three data sets differ substantially: the ... more

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