Question

9. The mean of the following data is 8.

x 3 5 7 9 11 13

y 6 8 15 p 8 4

The value of p is

(A) 23 (B) 24

(C) 25 (D) 21

10.The runs scored by 11 members of a cricket team are

15, 34, 56, 27, 43, 29, 31, 13, 50, 20, 0

The median score is

(A) 27 (B) 29

(C) 31 (D) 20

11. The weight of 10 students (in kgs) are

55, 40, 35, 52, 60, 38, 36, 45, 31, 44

The median weight is

a) 40 kg b) 41 kg c) 42kg d) 44kg

12. Mode of the data 15, 17, 15, 19, 14, 18, 15, 14, 16, 15, 14, 20, 19, 14, 15 is

a) 14 b) 15

c) 16 d) 17

13.The marks obtained by 17 students of a class in a test (out of 100) are given below:

90, 79, 76, 82, 46, 64, 72, 49, 68, 66, 48, 91, 82, 100, 96, 65, 84

The range of the data is

a) 46 b) 54

c) 90 d) 100

14. The class mark of the class 130-150 is

a) 130 b) 135

c) 140 d) 145

15. The median of the data arranged in ascending order 8, 9, 12, 18, (x+2), (x+4), 30, 31, 34, 39 is

24. The value of x is

a) 22 b) 21

c) 20 d) 24​

Answer 1

Answer:

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Answer 2

24(b) 14(145)13(a) 12(c) 11(d)