Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

MKTCO recently adopted the ISO 9001 quality management standards to improve product quality. A MKTCO manager wants to know if customers have already seen an

MKTCO recently adopted the ISO 9001 quality management standards to improve product quality. A MKTCO manager wants to know if customers have already seen an improvement in the quality of MKTCO products. From 2015 to 2021, customer ratings of product quality (Quality) averaged 5.01 on a 1-10 scale. Use a one-sample t-test to compare the current Quality ratings from the sample of customers in this MKTCO survey to the historical average of 5.01.

Quality

4
5
6
7
6
5
4
5
5
5
5
5
6
6
6
6
6
6
5
5
7
6
6
6
6
6
6
6
5
4
7
6
5
5
6
6
6
6
5
5
4
4
5
7
5
6
6
6
5
5
5
5
6
6
5
6
6
6
6
6
7
5
5
6
6
5
7
5
5
5
7
5
4
7
5
7
8
7
6
6
5
6
6
7
6
4
4
6
6
7
7
5
6
6
5
5
4
5
6
5
6
6
5
3
6
5
6
6
3
5
6
7
7
5
7
5
6
5
5
5
6
5
6
6
5
5
6
7
7
5
7
5
6
6
5
6
4
6
6
6
5
5
7
5
6
4
5
5
5
6
7
4
4
8
6
4
6
6
7
7
6
8
6
5
5
6
6
6
6
6
5
6
6
6
5
6
6
7
5
5
6
5
6
6
5
4
4
4
7
5
6
4
4
6
3
6
4
6
4
6
5
6
4
6
7
7
6
6
8
7
6
4
6
7
6
6
5
8
6
5
5
6
7
6
6
5
5
6
6
5

1. What is the null hypothesis of this t-test? What is the alternative hypothesis of this t-test?

2. Are the product quality ratings this year significantly higher, significantly lower, or equal to the historical average of 5.01? Explain your answer.

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

Global Strategy

Authors: Mike W. Peng

5th Edition

0357512367, 978-0357512364

More Books

Students also viewed these General Management questions