7)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 hypothesis is to be tested at the 2.5% level of significance. The critical value from the table equals a.1.96 b.11.345 c.7.815 d.9.348

Formula : Degree of freedom : df = k-1

Answered: Last school year, the student body of a…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Question

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 hypothesis is to be tested at the 2.5% level of significance. The critical value from the table equals