Answered: Many people believe that the average…

Name: Many people believe that the average number of Facebook friends is 145
Uploaded: 2024-03-20T07:07:12.000Z
Channel: Bartleby
Description: Many people believe that the average number of Facebook friends is 145. The population standard deviation is 36.1. A random sample of 45 high school students in a particular county revealed that the average number of Facebook friends was 154. At =α0.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Topic Video

Question

Many people believe that the average number of Facebook friends is 145. The population standard deviation is 36.1. A random sample of 45 high school students in a particular county revealed that the average number of Facebook friends was 154. At =α0.10, is there sufficient evidence to conclude that the mean number of friends is greater than 145?

State the hypotheses and identify the claim with the correct hypothesis.

:H0

=μ145

▼not claim

:H1

>μ145

▼claim

This hypotheses test is a ▼one-tailed test.

Part 2 of 5

Find the critical value(s). Round the answer to two decimal places. If there is more than one critical value, separate them with commas.

Critical value(s):

Expert Solution

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

$Hypothesis Tests and Confidence Intervals for Means$

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.

Similar questions