Question: The manager of a catering company is using the number of people in the party to predict the cost of the drinks that are required for the event. The following are the data for 12 recently catered events:
|
Event
|
Number of People
|
Cost of Drinks
|
|
1
|
12
|
24
|
|
2
|
14
|
30
|
|
3
|
15
|
36
|
|
4
|
18
|
38
|
|
5
|
20
|
65
|
|
6
|
16
|
44
|
|
7
|
14
|
36
|
|
8
|
13
|
30
|
|
9
|
18
|
39
|
|
10
|
19
|
76
|
|
11
|
20
|
80
|
|
12
|
22
|
85
|
Complete the calculations below using this data. Show all of your work and clearly label each of your calculations.
- Provide a scatterplot
- Calculate a linear regression
- Calculate the residuals
- Calculate the correlation between the two variables
- Calculate the mean, median, and standard deviation of the number of people and cost of drinks