Question

6) The number of saplings planted by students of a school in each row are as follows.

3,4,5,3,2,3,2,4,9,4,5,7,8,9,8,6,5,6,4,2,3,8,2,6,5,4,3,2,9,9.

Prepare a frequency table and find the mean of the data.​

Answer 1

Answer:

5

Step-by-step explanation:

Arranging the data in ascending order:

2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 6, 6, 7, 8, 8, 8, 9, 9

Mean = (2 + 2 + 2 + 3 + 3 + 3 + 3 + 4 + 4 + 4 + 4 + 5 + 5 + 5 + 6 + 6 + 7 + 8 + 8 + 8 + 9 + 9)/22 = 110/22 = 5

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Answer 2

Answer:

2,2,2,2,2,3,3,3,3,3,4,4,4,4,4,5,5,5,5,6,6,6,7,8,8,8,9,9,9,9

2(5)

3(5)

4(5)

5(4)

6(3)

7(1)

8(3)

9(4)

30 = total no. of observations

mean = sum of all observations/ total no. of observations

mean= 150/30

mean= 5