Researchers looked at the average number of hours of sleep per day in a group of 8 college professors. Calculate the range, standard deviaion, and variance, for the dataset below. X = {6, 6, 5, 7, 5, 4, 8, 5} a. range = 4 standard deviation (sample) = 1.28 variance (sample) = 1.64 b. range = 5 standard deviation (sample) = 5 variance (sample) = 5.5 c. range = 4 standard deviation (sample) = 1.28 variance (sample) = 1.28 d. range = 4 standard deviation (sample) = 1.64 variance (sample) = 1.28

Researchers looked at the average number of hours of sleep per day in a group of 8 college professors. Calculate the range, standard deviaion, and variance, for the dataset below. X = {6, 6, 5, 7, 5, 4, 8, 5} a. range = 4 standard deviation (sample) = 1.28 variance (sample) = 1.64 b. range = 5 standard deviation (sample) = 5 variance (sample) = 5.5 c. range = 4 standard deviation (sample) = 1.28 variance (sample) = 1.28 d. range = 4 standard deviation (sample) = 1.64 variance (sample) = 1.28

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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Question

Researchers looked at the average number of hours of sleep per day in a group of 8 college professors. Calculate the range, standard deviaion, and variance, for the dataset below.

X = {6, 6, 5, 7, 5, 4, 8, 5}

	a.	range = 4 standard deviation (sample) = 1.28 variance (sample) = 1.64
	b.	range = 5 standard deviation (sample) = 5 variance (sample) = 5.5
	c.	range = 4 standard deviation (sample) = 1.28 variance (sample) = 1.28
	d.	range = 4 standard deviation (sample) = 1.64 variance (sample) = 1.28