Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

In a study entitled How Undergraduate Students Use Credit Cards, Sallie Mae reported that undergraduate students have a mean credit card balance of $3049. This

image text in transcribed
image text in transcribed
In a study entitled How Undergraduate Students Use Credit Cards, Sallie Mae reported that undergraduate students have a mean credit card balance of $3049. This figure was an all-time high and had increased 48%% over the previous five years. Assume that a current study is being conducted to determine if it can be concluded that the mean credit card balance for undergraduate students has continued to increase compared to the April 2009 report. Based on previous studies, use a population standard deviation o = $1100. a. State the null and alternative hypotheses. Ho: # S 3049 Ha: p > 3049 b. What is the p-value for a sample of 160 undergraduate students with a sample mean credit card balance of $3184? If your answer is zero enter "(". z value (to 2 decimals) p-value (to 4 decimals) c. Using a 0.02 level of significance, what is your conclusion? Do not reject null hypothesis v Conclude that student mean credit card debt is smaller than $3049

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

Elementary Statistics

Authors: Mario F. Triola

12th Edition

0321836960, 978-0321836960

Students also viewed these Mathematics questions