We would like to test a hypothesis regarding one population mean.  The null hypothesis is H0: μ = 31.7.  A random sample of size n = 22 is taken and the sample mean is x¯ = 28.9 and the sample standard deviation is s = 6.4. Calculate the value of the test statistic. Enter your answer to two decimal places.

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
icon
Related questions
Question

We would like to test a hypothesis regarding one population mean.  The null hypothesis is H0: μ = 31.7.  A random sample of size n = 22 is taken and the sample mean is x¯ = 28.9 and the sample standard deviation is s = 6.4. Calculate the value of the test statistic. Enter your answer to two decimal places.

Expert Solution
Step 1

GivenThe null hypothesis is H0:μ=31.7sample size(n)=22Mean(x)=28.9standard deviation(s)=6.4

steps

Step by step

Solved in 2 steps

Blurred answer
Similar questions
Recommended textbooks for you
A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON
A First Course in Probability
A First Course in Probability
Probability
ISBN:
9780321794772
Author:
Sheldon Ross
Publisher:
PEARSON