solve : wages no of persons less than 10 30 less than 20 70 20- 30 50 20- 40 - Economics - Measures of Central Tendency

Question

solve :
wages no of persons
less than 10 30
less than 20 70
20- 30 50
20- 40 98
40 and above 332
50 and above 308
60- 70 132
70 and above 14

Teena Wadhwa · Accepted Answer

Class Intervals (CI) Frequency (f) Mid-values (m) fm 0-10 30 5 150 10-20 40 (= 70 â€“ 30) 15 600 20-30 50 25 1250 30-40 48 (= 98 â€“ 50) 35 1680 40-50 24 (= 332 â€“ 308) 45 1080 50-60 162(= 308 â€“ 146) 55 8910 60-70 132 65 8580 70-80 14 75 1050 $Σ f = 500$ $Σ f m = 23300$ $\bar{X} = \frac{Σ f m}{Σ f} = \frac{23300}{500} = 46 6$

Class Intervals (CI)	Frequency (f)	Mid-values (m)	fm
0-10	30	5	150
10-20	40 (= 70 – 30)	15	600
20-30	50	25	1250
30-40	48 (= 98 – 50)	35	1680
40-50	24 (= 332 – 308)	45	1080
50-60	162(= 308 – 146)	55	8910
60-70	132	65	8580
70-80	14	75	1050
	$Σ f = 500$		$Σ f m = 23300$

solve : wages no. of persons less than 10 30 less than 20 70 20- 30 50 20- 40 98 40 and above 332 50 and above 308 60- 70 132 70 and above 14

solve :

wages no. of persons

less than 10 30

less than 20 70

20- 30 50

20- 40 98

40 and above 332

50 and above 308

60- 70 132

70 and above 14