Question: Class Intervals frequency (f) 30 - 34 10 35 - 39 14 40 - 44 26 45 - 49 35 50 - 54 23 55

Class Intervals frequency

(f)

30 - 34 10

35 - 39 14

40 - 44 26

45 - 49 35

50 - 54 23

55 - 59 19

60 - 64 15

65 - 69 6

70 - 74 4

Please help me compute for the ff: kindly explain thouroughly

a. range

b. Quartile deviation

c. Average deviation

d. Standard Deviation

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