The average national salary is 45,000 (in this example, 45 represents 45,000). I take a sample of 14 individuals in San Angelo and measure their average salary and obtain the following data: Individual 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Salary 45 56 60 65 60 63 54 51 27 29 34 35 35 37 Conduct a test (at an alpha of .05) to answer whether or not San Angelonian’s salary is significantly greater than the national average. Null (H0): ________________________________ Alternative (Ha): ________________________________ Degrees of freedom (from calculation/Jamovi): ____________

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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The average national salary is 45,000 (in this example, 45 represents 45,000). I take a sample of 14 individuals in San Angelo and measure their average salary and obtain the following data:

Individual

1

2

3

4

5

6

7

8

9

10

11

12

13

14

Salary

45

56

60

65

60

63

54

51

27

29

34

35

35

37

 

Conduct a test (at an alpha of .05) to answer whether or not San Angelonian’s salary is significantly greater than the national average. 

 

Null (H0): ________________________________

Alternative (Ha): ________________________________

 

Degrees of freedom (from calculation/Jamovi): ____________






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