A survey was done in Class 7 to find the amount of pocket
money each student got during a week. The data is given below.
Find the mean amount of pocket money students in Class 7 get
during a week.
Pocket money (Rs.)
10
20
30
40
50
No. of students
3
12
15
8
2
Anushka0024:
kk
Answers
Answered by
0
Answer:
Let the heights (in cm) of 10 students of our class be
125, 127, 132, 133, 134, 136,138, 141, 144, 146
Highest value among these observations = 146
Lowest value among these observations = 125
Range = Highest value − Lowest value
= (146 − 125) cm
= 21 cm
Answered by
1
Step-by-step explanation:
Mean = summation xi.fi/ summation fi
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