B. 4 and 5
11. What are the frequencies of 20-29 and 10-197
A 2 and 3
C. 5 and 10 D. 6 and 9
12. Which class interval has the highest frequency?
A 0-9
C. 20 - 29 D. 30 - 39
B. 10 - 19
13. What is the range of the given data set?
A 30
C. 43
D. 44
B. 34
14. Which class interval has the least frequency?
A 40 - 49
C. 20 - 29
B. 30 - 30
D. 10 - 19
15. How many students got a scores of 19 and below?
A 7
8.8
C.
D. 10​