Problem 2:Calculate all the measures of central tendency

Problem 2:Calculate all the measures of central tendency

Calculate all the measures of central tendency for the following.

Class interval

Frequency

0-10

10-20

20-30

30-40

40-50

12

32

65

30

11

Class interval

Frequency

(f)

Mid class

Value (x)

xf

Less than cumulative frequency

f/x

Log x

F log x

0-10

10-20

20-30

30-40

40-50

12

32

65

30

11

5

15

25

35

45

60

480

1625

1050

495

12

44

109

139

150

2.4

2.133333333

2.6

0.857142857

0.24444444

0.698970004

1.176091259

1.397940009

1.544068044

1.653212514

8.387640048

37.63492029

90.86610056

46.32204132

18.18533765

Total

N=150


3710


8.234920634


201.3960399

gh

Ans:

Arithmetic mean = 24.73333333

Harmonic mean = 18.2151118

Geometric mean = 21.92455022

Median = 24.76923077

Mode = 24.85294118

Last modified: Monday, 13 August 2012, 8:49 AM