Question

calculate the arithmetic mean of the following frequency using assume mean method
class interval frequency
0-50 17
50-100 35
100-150 43
150-200 40
200-250 21
250-300 24

plz answer fast​

Answer 1

Answer:

148.61111

Step-by-step explanation:

F M(X). fx

17. 25. 425

35. 75. 2625

43. 125. 5375

40. 175. 7000

21. 225. 4725

24. 275. 6600

N=180. £ fx= 26750

AM=£fx/N

= 26750/180

= 148.6111