10)Last school year, the student body of a local university consisted of 35% freshmen, 24% sophomores, 26% juniors, and 15% seniors. A sample of 300 students taken from this year's student body showed the following number of students in each classification.Freshmen90Sophomores60Juniors90Seniors60We are interested in determining whether or not there has been a significant change in the classifications between the last school year and this school year.The expected frequency of seniors is a.45 b.35 c.65 d.55

Total sample size is n = 90 + 60 + 90 + 60 = 300

Answered: The expected frequency of seniors is

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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Question

10)

Last school year, the student body of a local university consisted of 35% freshmen, 24% sophomores, 26% juniors, and 15% seniors. A sample of 300 students taken from this year's student body showed the following number of students in each classification.

Freshmen	90
Sophomores	60
Juniors	90
Seniors	60

We are interested in determining whether or not there has been a significant change in the classifications between the last school year and this school year.

The expected frequency of seniors is