The numbers of courses taught per semester by a random sample of university professors are shown in the histogram. Make a frequency distribution for the data. Then usethe table to estimate the sample mean and the sample standard deviation of the data set.25-2420-17161510-5-Number of courses taught per semesterf121624417The sample mean is x = 2.9(Round to one decimal place as needed.)The sample standard deviation is s =(Round to one decimal place as needed.)Number of professors

Answered: 1 2 2 16 3 24 4 17 The sample mean is x…

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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x (1)	Frequency (f) (2)	f⋅x (3)=(2)×(1)	f⋅x^2=(f⋅x)×(x) (4)=(3)×(1)
1	2	2	2
2	16	32	64
3	24	72	216
4	17	68	272
---	---	---	---
	n=59	∑f⋅x=174	∑f⋅x^2=554

1 2 2 16 3 24 4 17 The sample mean is x = 2.9. (Round to one decimal place as needed.) The sample standard deviation is s = [ (Round to one decimal place as needed.)