13. How many cases fall below 10.65?
*
1 point
A 2
B 68
C 69
D 70
14. Which class interval contains 60% of the total cases?
*
1 point
A 7.2 – 7.6
B 7.7 – 8.1
C 8.2 – 8.6
D 8.15 – 8.65
15. What kind of data was used to organized the weights presented in the table?
*
1 point
A Ungrouped data
B Grouped data
C Scattered data
D Dispersed data
16. use the data : 2,2,3,4,7,7,7,10,11,12,12. What is the mean?
*
1 point
A 2
B 3
C 7
D11
17. use the data : 2,2,3,4,7,7,7,10,11,12,12. What is the median?
*
1 point
A 4
B 7
C 5
D 10
18. use the data : 2,2,3,4,7,7,7,10,11,12,12. What is the mode?
*
1 point
A 2
B 7
C 12
D 11
19. use the data : 2,2,3,4,7,7,7,10,11,12,12. What is the computed range of the scores?
*
1 point
A 2
B 7
C 10
D 11