(Student Contributed Question) Below are completion times for 15 running backs and wide receivers that ran the 40-yard dash during the NFL Combine in April 2023. 4.32 4.36 4.37 4.41 4.43 4.46 4.47 4.52 4.53 4.56 4.58 4.61 4.62 4.67 4.74 By calculating the sample mean, the sample standard deviation, and a critical value from a t-distribution, construct a 90% confidence interval for the mean completion time for all running

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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(Student Contributed Question) Below are completion times for 15 running backs and wide
receivers that ran the 40-yard dash during the NFL Combine in April 2023.
4.32
4.36
4.37
4.41
4.43
4.46
4.47
4.52
4.53
4.56
4.58
4.61
4.62
4.67
4.74
By calculating the sample mean, the sample standard deviation, and a critical value from a
t-distribution, construct a 90% confidence interval for the mean completion time for all running
backs and wide receivers that participated in the 2023 NFL Combine.
Transcribed Image Text:(Student Contributed Question) Below are completion times for 15 running backs and wide receivers that ran the 40-yard dash during the NFL Combine in April 2023. 4.32 4.36 4.37 4.41 4.43 4.46 4.47 4.52 4.53 4.56 4.58 4.61 4.62 4.67 4.74 By calculating the sample mean, the sample standard deviation, and a critical value from a t-distribution, construct a 90% confidence interval for the mean completion time for all running backs and wide receivers that participated in the 2023 NFL Combine.
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