(in hours):7, 6, 7, 8.5, 8, 9, 6.5a. Find the mean, median, mode and standard deviation for their hours of sleep.b. Create a 99% confidence interval for the mean amount of hours they slept.

Given data in ascending order,6, 6.5, 7, 7, 8, 8.5, 9That is, sample size n = 7

Answered: 7, 6, 7, 8.5, 8, 9, 6.5 a. Find the…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Find the mean and standard deviation of the following sample: 7.2 7.4 7.5 7.2 7.1 6.9 7.7 7.4
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Please answer all. Thank you. A national random sample of 20 NCAE Scores from 2010 is listed below. 29,26,13,23,23,25,17,22,17,19 12,26,30,30,18,14,12,26,17,18 Calculate the 95 percent confidence interval for the mean NCAE score if the sample standard deviation is about 5.9407. A.) between 18.22 and 23.48 B.) between 18.07 and 23.63 C.) between negative infinity and 23.15 D.) between negative infinity and 23.05 The value of z selected for constructing a given confidence interval is called A.) confidence B.) error C.) student D.) critical value
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• - Find the mean deviation for the following data set {7,23,11,44,46,23,28,30,32,43,47}

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7, 6, 7, 8.5, 8, 9, 6.5 a. Find the mean, median, mode and standard deviation for their hours of sleep. b. Create a 99% confidence interval for the mean amount of hours they slept.