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The summary data from study demonstrates a stronger relationship between how many minutes per day a child spends on a computer and the child's body mass index (BMI). (Hint: Consider the magnitude of the standard deviations.) Suppose you predict BMI for a member of each of the four populations sampled by the two researchers. Assuming the estimates of the population standard deviations are accurate, your prediction is most likely to be closest to the true value for a second grade student who: O Spends 15-30 minutes on a computer per day O Spends more than 15 minutes on a computer per day O Spends more than 30 minutes on a computer per day Spends less than 15 minutes on a computer per day

The summary data from study demonstrates a stronger relationship between how many minutes per day a child spends on a computer and the child's body mass index (BMI). (Hint: Consider the magnitude of the standard deviations.) Suppose you predict BMI for a member of each of the four populations sampled by the two researchers. Assuming the estimates of the population standard deviations are accurate, your prediction is most likely to be closest to the true value for a second grade student who: O Spends 15-30 minutes on a computer per day O Spends more than 15 minutes on a computer per day O Spends more than 30 minutes on a computer per day Spends less than 15 minutes on a computer per day

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Two researchers, Dr. Kim and Dr. William, are studying the relationship between how many minutes per day a child spends on a computer and the child's body mass index (BMI). Each researcher compares two samples of 200 second grade students. One sample spends less time on a computer, the other spends more time. The following table shows the mean and standard deviations of BMI, as they might be shown in a journal article. Sample A Sample B Researcher: Dr. Spends 15-30 minutes on a computer per day (M Spends more than 30 minutes on a computer per day %3D Kim 17.41, SD = 5.21) (M = 17.82, SD = 5.36) Researcher: Dr. Spends less than 15 minutes on a computer per day Spends more than 15 minutes on a computer per day William (M = 17.81, SD = 6.43) (M = 18.22, SD = 6.35) %3D %3D The summary data from study demonstrates a stronger relationship between how many minutes per day a child spends on a computer and the child's body mass index (BMI). (Hint: Consider the magnitude of the standard deviations.) Suppose you predict BMI for a member of each of the four populations sampled by the two researchers. Assuming the estimates of the population standard deviations are accurate, your prediction is most likely to closest to lue for a seco grade stu who rue Spends 15-30 minutes on a computer per day Spends more than 15 minutes on a computer per day Spends more than 30 minutes on a computer per day Spends less than 15 minutes on a computer per day
Transcribed Image Text:Two researchers, Dr. Kim and Dr. William, are studying the relationship between how many minutes per day a child spends on a computer and the child's body mass index (BMI). Each researcher compares two samples of 200 second grade students. One sample spends less time on a computer, the other spends more time. The following table shows the mean and standard deviations of BMI, as they might be shown in a journal article. Sample A Sample B Researcher: Dr. Spends 15-30 minutes on a computer per day (M Spends more than 30 minutes on a computer per day %3D Kim 17.41, SD = 5.21) (M = 17.82, SD = 5.36) Researcher: Dr. Spends less than 15 minutes on a computer per day Spends more than 15 minutes on a computer per day William (M = 17.81, SD = 6.43) (M = 18.22, SD = 6.35) %3D %3D The summary data from study demonstrates a stronger relationship between how many minutes per day a child spends on a computer and the child's body mass index (BMI). (Hint: Consider the magnitude of the standard deviations.) Suppose you predict BMI for a member of each of the four populations sampled by the two researchers. Assuming the estimates of the population standard deviations are accurate, your prediction is most likely to closest to lue for a seco grade stu who rue Spends 15-30 minutes on a computer per day Spends more than 15 minutes on a computer per day Spends more than 30 minutes on a computer per day Spends less than 15 minutes on a computer per day
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