Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

Advertising expenses are a significant component of the cost of goods sold. Listed below is a frequency distribution showing the advertising expenditures for 64 manufacturing

image text in transcribedimage text in transcribed
image text in transcribedimage text in transcribed
Advertising expenses are a significant component of the cost of goods sold. Listed below is a frequency distribution showing the advertising expenditures for 64 manufacturing companies located in the Southwest. The mean expense is $50.00 million and the standard deviation is $11.27 million. Is it reasonable to conclude the sample data are from a population that follows a normal probability 10 distribution? points Advertising Expense Number ($ Million) of Companies eBook 25 up to 35 35 up to 45 12 Print 45 up to 55 26 55 up to 65 12 References 65 up to 75 7 Total 64 Expicture Click here for the Excel Data File a. State the decision rule. Use the 0.02 significance level. (Round your answer to 2 decimal places.) He: The population of advertising expenses follows a normal distribution. H. . The nonuilation of advertising ovnancos dnoc not follow a normal distributionb. Compute the value of chi-square. (Round your answer to 2 decimal places.) 10 points Chi-square value eBook Print References c. What is your decision regarding He? Ho. This data from a normal distribution

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

Geometry A Comprehensive Course A Comprehensive Course

Authors: Dan Pedoe

1st Edition

0486131734, 9780486131733

More Books

Students also viewed these Mathematics questions

Question

What do you need to know about motivation to solve these problems?

Answered: 1 week ago