Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

A politician claims that the mean salary for managers in his state is more than the national mean, $81,000. Assume the the population is normally

image text in transcribedimage text in transcribed
image text in transcribedimage text in transcribed
A politician claims that the mean salary for managers in his state is more than the national mean, $81,000. Assume the the population is normally distributed and the population standard deviation is $8100. The salaries (in dollars) for a random sample of 30 managers in the state are listed. At a = 0.06, is there enough evidence to support the claim? Use technology. 90,563 89,627 71,959 93,904 81,085 97,75 82, 155 97,787 82,792 86,348 95,703 72,572 89,760 89,979 76,487 86,747 80,464 73,895 75,179 70.244 74,860 90,665 79,069 92,331 80, 163 95,458 94,662 87,306 91,246 86,835 (a) Identify the null hypothesis and alternative hypothesis. O A. Ho: H > 81,000 O B. Ho: H> 81,000 O C. Ho: HS81,000 Ha: H s 81,000 Ha: HS 81,000 Ha: H > 81,000 O D. Ho: H = 81,000 OE. Ho: H # 81,000 OF. Ho: H 2 81,000 Ha: H # 81,000 Ha: H= 81,000 Ha: H

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

Business Analytics Communicating With Numbers

Authors: Sanjiv Jaggia, Alison Kelly, Kevin Lertwachara, Leida Chen

1st Edition

978-1260785005, 1260785009

More Books

Students also viewed these Mathematics questions