The average family size was reported as 3.18. A random sample of families in a particular school district resulted in the following family sizes: 5 4 4 4 3 4 3 6

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 30E
icon
Related questions
Question

Hypothesis Testing

The average family size was reported as 3.18. A random sample of families in a
particular school district resulted in the following family sizes:
5
4
4
4
3
6
4
3
3
3
2
7
4
5
2
2
3
5
2
At a = 0.05, does the average family size differ from the national average?
%3D
Transcribed Image Text:The average family size was reported as 3.18. A random sample of families in a particular school district resulted in the following family sizes: 5 4 4 4 3 6 4 3 3 3 2 7 4 5 2 2 3 5 2 At a = 0.05, does the average family size differ from the national average? %3D
a. State the hypothesis and identify the claim.
b. Find the critical value(s) from the appropriate table.
c. Compute the test value.
d. Make the decision to reject or not reject the null hypothesis.
e. Summarize the results.
Transcribed Image Text:a. State the hypothesis and identify the claim. b. Find the critical value(s) from the appropriate table. c. Compute the test value. d. Make the decision to reject or not reject the null hypothesis. e. Summarize the results.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps

Blurred answer
Knowledge Booster
Statistical Power and Errors
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
  • SEE MORE QUESTIONS
Recommended textbooks for you
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
Algebra
ISBN:
9781305652231
Author:
R. David Gustafson, Jeff Hughes
Publisher:
Cengage Learning
College Algebra
College Algebra
Algebra
ISBN:
9781938168383
Author:
Jay Abramson
Publisher:
OpenStax
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Holt Mcdougal Larson Pre-algebra: Student Edition…
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL