1. Text book problems to complete: Chapter Three Work:
Chapter Three Work: p. 122: 3.5, p 123: 3.13, p. 136: 3.40
2. Non-text book problems to complete:
A. Use the following population data to complete the next two questions:
50, 62.5, 37.5, 75.0, 45.0, 47.5, 15.0, 25.0
What is the mean?
What are the variance and standard deviation?
B. Use the following data to complete the next three questions:
| Data A |
10,421; |
10,110; |
9,862; |
10,475; |
9,920; |
10,592; |
11,213; |
10,933; |
11,134; |
10,316 |
| Data B |
1,379; |
1,356; |
1,373; |
1,410; |
1,389; |
1,463; |
1,529; |
1,499; |
1,516; |
1,355 |
What is the sample covariance between Data A and Data B
What is the sample correlation coefficient between Data A and Data B
How would you classify the linear relationship between Data A and Data B? a. Weak b. Moderate c. Strong d. No relationship
C. Use the following data to complete the next five questions.
A sample of 10 cell phone/cable/Internet bills: $1,589; $593; $1,223; $869; $423; $1,720; $708; $1,425; $922 and $308.
What is the mean and median of the cost?
What is the five-number summary of the cost?
What is the interquartile range of the cost?
Create a boxplot for the data.
Interpret the shape.
Please submit all the problems online as an attachment.
Please submit both the text book and non-text book problems as an attachment online through this assignment link.