1. Explain the difference between z-tests (which use categorical data), and t-tests (which use numerical data).

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
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Solve by hand please (no excel)  Draw and shade the distribution curve. Also, make sure to write the full sentence...

1. Explain the difference between z-tests (which use categorical data),
and t-tests (which use numerical data).
2. Conduct a t-test, both when given statistics, and when given data.
3. Conduct a t-test, 2-sample t-test, and paired t-test.
4. Differentiate between the five types of tests we have learned so far.
Transcribed Image Text:1. Explain the difference between z-tests (which use categorical data), and t-tests (which use numerical data). 2. Conduct a t-test, both when given statistics, and when given data. 3. Conduct a t-test, 2-sample t-test, and paired t-test. 4. Differentiate between the five types of tests we have learned so far.
1. Explain the difference between z-tests (which use categorical data),
and t-tests (which use numerical data).
2. Conduct a t-test, both when given statistics, and when given data.
3. Conduct a t-test, 2-sample t-test, and paired t-test.
4. Differentiate between the five types of tests we have learned so far.
6. A marketing company wants to find the average age of employees within a large computer
firm. They believe that the average age is 27 years old.
After sampling 13 people, they report the following ages:
23
25
31
42
27
35
38
22
28
40
19
26
29
Can they say that their claim is correct? (Use a = .01)
%3D
Transcribed Image Text:1. Explain the difference between z-tests (which use categorical data), and t-tests (which use numerical data). 2. Conduct a t-test, both when given statistics, and when given data. 3. Conduct a t-test, 2-sample t-test, and paired t-test. 4. Differentiate between the five types of tests we have learned so far. 6. A marketing company wants to find the average age of employees within a large computer firm. They believe that the average age is 27 years old. After sampling 13 people, they report the following ages: 23 25 31 42 27 35 38 22 28 40 19 26 29 Can they say that their claim is correct? (Use a = .01) %3D
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