STA 1504 Assignment 06 (Answers ) 2024

29/08/2024, 13:24 As




UNISA  2024  STA1504-24-Y  Welcome Message  Assessment 6

QUIZ




Started on Thursday, 29 August 2024, 1:16 PM
State Finished
Completed on Thursday, 29 August 2024, 1:21 PM
Time taken 5 mins 29 secs
Grade 100.00 out of 100.00


Question 1 The interpretation of a slope b = -3.82 of the regression line is:
Correct

Mark 10.00 out A. For one-point increase in the dependent variable, the independent variable increas
of 10.00
B. For one-point increase in the dependent variable, the independent variable increas

C. For one-point decrease in the independent variable, the dependent variable increas

D. For one-point increase in the independent variable, the dependent variable decreas

E. For one-point increase in the independent variable, the dependent variable increas




Your answer is correct.

The correct answer is:
For one-point increase in the independent variable, the dependent variable decreases by 3.8

, 29/08/2024, 13:24 As


Question 2 The table below shows the units of ice cream sold against the maximum temperature for t
Correct
Temperature (in d
Mark 10.00 out
Celsius) ( x
of 10.00
Day 1 28

Day 2 20

Day 3 30

Day 4 12

Day 5 31

Day 6 10

Day 7 22



The intercept of the linear regression line is:


A. 66.1429

B. -18.8244 

C. 0.7577

D. 0.8705



E. 3.8874




Your answer is correct.
The correct answer is:
-18.8244