The following data relates to the scores obtained by 9 salesmen of a company in an intelligence test and their weekly sales in thousands of Rs.
Salesmen:
A
B
C
D
E
F
G
H
I
Test score :
50
60
50
60
80
50
80
40
70
Weekly sales :
30
60
40
50
60
30
70
50
60
Obtain the regression equation of sales on test scores of the salesmen and estimate sales if the test score of a salesman is 65.
Answers
Answer:
in6. The following data relate to the scores obtained by 9 salesmen of a com-
pany in an intelligence test and their weekly sales in thousand rupees :
Salesmen Intelligence :
C
D E
Test Scores :
50
60
50
60 80
50
80
40
70
Weekly Sales : 30
60
-40
50
60
30
70
50
60
(a) Obtain the regression equation of sales on intelligence test scores of the salsemen
(b) If the intelligence test score of a salesman is 65, what would be his expected weekly
sales?
Transcribed Image Text:in6. The following data relate to the scores obtained by 9 salesmen of a com- pany in an intelligence test and their weekly sales in thousand rupees : Salesmen Intelligence : C D E Test Scores : 50 60 50 60 80 50 80 40 70 Weekly Sales : 30 60 -40 50 60 30 70 50 60 (a) Obtain the regression equation of sales on intelligence test scores of the salsemen (b) If the intelligence test score of a salesman is 65, what would be his expected weekly sales?