The following are the marks of 13 students in a class. 48, 15, 20, 12, 48, 32, 26, 19, 36, 40, 25, 35, 16 Find (a) mode (b) median (c) range
Answers
Answer:
The following are the marks (out of 100) of 60 students in mathematics.16, 13, 5, 80, 86, 7, 51, 48, 24, 56, 70, 19, 61, 17, 16, 36, 34, 42, 34, 35, 72, 55, 75,31, 52, 28,72, 97, 74, 45, 62, 68, 86, 35, 85, 36, 81, 75, 55, 26, 95, 31, 7, 78, 92, 62,52, 56, 15, 63,25, 36, 54, 44, 47, 27, 72, 17, 4, 30. Construct a grouped frequency distribution table with width 10 of each class starting from 0 - 9.
Step-by-step explanation:
Arranging the following data in ascending order:
4, 5, 7, 7, 13, 15, 16, 16, 17, 17, 19, 24, 25, 26, 27, 28, 30, 31, 34, 34, 35, 35, 36, 36, 36, 42, 44, 45, 47, 48,
51, 52, 52, 54, 55, 55, 56, 56, 61, 62, 62, 63,
68, 70, 72, 72, 72, 74, 75, 75, 78, 80,, 81, 85, 86, 86, 92, 95, 97.
Marks of
60 students
(class Interval) Tally Marks Frequency
0-9 ∣∣∣∣ 4
10-19 7
20-29 5
30-39 10
40-49 5
50-59 8
60-69 5
70-79 8
80-89 5
90-99 3
Total frequency = 60
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