Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

A college prep school advertises that their students are more prepared to succeed in college than other schools. To verify this, they categorize GPA's into

A college prep school advertises that their students are more prepared to succeed in college than other schools. To verify this, they categorize GPA's into 4 groups and look up the proportion of students at a state college in each category. They find that 7% have a 0-0.99, 21% have a 1-1.99, 37% have a 2-2.99, and 35% have a 3-4.00 in GPA.

They then take a random sample of 200 of their graduates at the state college and find that 19 has a 0-0.99, 28 have a 1-1.99, 82 have a 2-2.99, and 71 have a 3-4.00.

Can they conclude that the grades of their graduates are distributed differently than the general population at the school? Test at the 0.05 level of significance.

Enter thep-value - round to 4 decimal places. Make sure you put a 0 in front of the decimal.

p-value=___

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access with AI-Powered Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Financial and Managerial Accounting

Authors: Carl S. Warren, James M. Reeve, Jonathan Duchac

12th edition

978-1133952428, 1285078578, 1133952429, 978-1285078571

Students also viewed these Mathematics questions