Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

Use a t-test to test the claim about the population mean at the given level of significance using the given sample statistics. Assume the population

Use a t-test to test the claim about the population mean

at the given level of significance

using the given sample statistics. Assume the population is normally distributed.

Claim:

25; =0.05

Sample statistics:

x=23.7

s=4.4

n=14

What are the null and alternative hypotheses? Choose the correct answer below.

A.

H0: 25

Ha: >25

B.

H0: 25

Ha: =25

C.

H0: 25

Ha: <25

D.

H0: =25

Ha: 25

Part 2 : What is the value of the standardized test statistic?The standardized test statistic is

enter your response here.

(Round to two decimal places as needed.)

Part 3What is the P-value of the test statistic?

P-value=enter your response here

(Round to three decimal places as needed.)

Part 4Decide whether to reject or fail to reject the null hypothesis.

A.

Failtoreject

H0.

There

is

enough evidence to support the claim.

B.

Reject

H0.

There

isnot

enough evidence to support the claim.

C.

Reject

H0.

There

is

enough evidence to support the claim.

D.

Failtoreject

H0.

There

isnot

enough evidence to support the claim.

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_2

Step: 3

blur-text-image_3

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

College Geometry Using The Geometer's Sketchpad

Authors: Barbara E Reynolds, William E Fenton

1st Edition

1118213408, 9781118213407

More Books

Students also viewed these Mathematics questions

Question

Why would you make a virtual member function pure?

Answered: 1 week ago

Question

2. Find five metaphors for communication.

Answered: 1 week ago