Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

You may need to use the appropriatetechnologyto answer this question. The grade point averages of 352 students who completed a college course in financial accounting

You may need to use the appropriatetechnologyto answer this question.

The grade point averages of 352 students who completed a college course in financial accounting have a standard deviation of0.940. The grade point averages of73 studentswho dropped out of the same course have a standard deviation of0.795. Do the data indicate a difference between the variances of grade point averages for students who completed a financial accounting course and students who dropped out? Use a 0.05 level of significance.Note:F0.025

with 351 and72 degreesof freedom is 1.47.

State the null and alternative hypotheses.

H0:12=22

Ha:1222

H0:12>22

Ha:1222

H0:1222

Ha:12>22

H0:1222

Ha:12=22

Find the value of the test statistic. (Round your answer to two decimal places.)

State the critical values for the rejection rule. (Round your answers to three decimal places. If the test is one-tailed, enter NONE for the unused tail.)

test statistictest statistic

State your conclusion.

Do not rejectH0. We cannot conclude that students who complete the course and students who drop out have different variances of grade point averages.

RejectH0. We can conclude that students who complete the course and students who drop out have different variances of grade point averages.

Do not rejectH0. We can conclude that students who complete the course and students who drop out have different variances of grade point averages.

RejectH0. We cannot conclude that students who complete the course and students who drop out have different variances of grade point averages.

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored 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

Probability With Applications and R

Authors: Robert P. Dobrow

1st edition

1118241257, 1118241258, 978-1118241257

More Books

Students also viewed these Mathematics questions