How each test statistic is calculated ( I don't need the formula, I          need the explanation in words please)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 11SGR
icon
Related questions
Question

Test of Significance and their Test Statistics 

We have studied 2 different test statistics, the z and the X2 .  Explain the similarities in;

  1.  How each test statistic is calculated ( I don't need the formula, I          need the explanation in words please)
Expert Solution
Step 1

For Z test the value of the test statistic formula can be written as:

Statistics homework question answer, step 1, image 1

Here,  is the sample mean, µ is the population mean, σ is the population standard deviation and n is the sample size.

Step 2

 

The value of the test statistic formula for χ2 can be written as:

Statistics homework question answer, step 2, image 1

Here, Oi is the observed frequency, Ei is the expected frequency.

steps

Step by step

Solved in 3 steps with 2 images

Blurred answer
Knowledge Booster
Basics of Inferential Statistics
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.
Recommended textbooks for you
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
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Algebra
ISBN:
9781680331141
Author:
HOUGHTON MIFFLIN HARCOURT
Publisher:
Houghton Mifflin Harcourt