B. Complete the grouped frequency distribution table with 10 intervals for the 50-item test result of a
class. The scores are as follows:
31
29
19
43
24
23
39
42 32 44
31 40
28 30
41 41 31
39 39 37
33 35 25 32 40
39 41 28 34
45 46 29 49
43 32
30 36 28 38
25
25 27 34 29 40 26
25 31 23
46
Range:
Highest Score:
Lowest Score:
Class Interval
49-51
Tally
Frequency (0)
19-21
Total
50
Answers
Step-by-step explanation:
The scores are as follows:
31, 29, 19, 43, 24, 23, 39, 42, 32, 44, 31, 40, 28, 30, 41
41, 31, 39, 39, 37, 33, 35, 25, 32, 40, 39, 41, 28, 34, 45 46, 29, 49, 43, 32, 30, 36, 28, 38, 25, 25, 27, 34, 29
40, 26, 25, 31, 23, 46
Highest Score:49
Lowest Score: 19
Range : 49-19 = 30
__________________________
Class Tally Marks Frequency
Interval
__________________________
49-51 I 1
46-48 I I 2
43-45 I I I I 4
40-42 I I I I I I I 7
37-39 I I I I I I 6
34-36 I I I I 4
31-33 I I I I I I I I 8
28-30 I I I I I I I I 8
25-27 I I I I II 6
22-24 I I I 3
19-21 I 1
_____________________
Total = 50