Question 146435: A distributor of personal computers has five locations in the city. The sales in units for the first quarter of the year were as follows:
Location Observed Sales (Units)
North Side 70
Pleasantway 75
Southwyck 70
I-90 50
Venice Avenue 35
300
What is the critical value at the 0.01 level of risk?
A) 7.779
B) 15.033
C) 13.277
D) 5.412
E) None of the above
13. To analyze data cross-classified in a contingency table, how are the degrees of freedom found?
A) N-1
B) Rows - Columns
C) (Rows) x (Columns)
D) (Rows - 1) x (Columns - 1)
E) None of the above
14. The following table shows the adjustment to civilian life and place of residence.
Residence After Adjustment to Civilian Life
Release From Prison Outstanding Good Fair Unsatisfactory
Hometown 27 35 33 25
Not hometown 13 15 27 25
Total 40 50 60 50
What is the critical value for this contingency table at the 0.01 level of significance?
A) 9.488
B) 2.070
C) 11.345
D) 13.277
E) None of the above
15. The educational level and the social activity of a sample of executives follow.
Social Activity
Education Above Average Average Below Average
College 30 20 10
High School 20 40 90
Grade School 10 50 130
What does the expected frequency for the "above average" social activity and "high school" education equal?
A) 9.50 D) 28.50
B) 60.00 E) None of the above
C) 22.50
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! A distributor of personal computers has five locations in the city. The sales in units for the first quarter of the year were as follows:
Location Observed Sales (Units)
North Side 70
Pleasantway 75
Southwyck 70
I-90 50
Venice Avenue 35
300
What is the critical value at the 0.01 level of risk?
A) 7.779
B) 15.033
C) 13.277
D) 5.412
E) None of the above
-------
Ans : E
------------------
13. To analyze data cross-classified in a contingency table, how are the degrees of freedom found?
A) N-1
B) Rows - Columns
C) (Rows) x (Columns)
D) (Rows - 1) x (Columns - 1)
E) None of the above
------
Ans: D
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14. The following table shows the adjustment to civilian life and place of residence.
Residence After Adjustment to Civilian Life
Release From Prison Outstanding Good Fair Unsatisfactory
Hometown 27 35 33 25
Not hometown 13 15 27 25
Total 40 50 60 50
What is the critical value for this contingency table at the 0.01 level of significance?
A) 9.488
B) 2.070
C) 11.345
D) 13.277
E) None of the above
----
Ans: C
_________
15. The educational level and the social activity of a sample of executives follow.
Social Activity
Education Above Average Average Below Average
College 30 20 10
High School 20 40 90
Grade School 10 50 130
What does the expected frequency for the "above average" social activity and "high school" education equal?
A) 9.50
D) 28.50
B) 60.00
E) None of the above
C) 22.50
Ans: C
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Cheers,
Stan H
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