Question

1. Calculate the mean of the following set of observations:
(a) 40, 73, 49, 83, 40, 49, 27, 91, 37, 31, 91, 40, 31, 73, 17, 49, 73, 62, 40, 62, 49, 50, 80, 35, 40, 62, 73.
49, 31, 28
(b) 142, 149, 135, 150, 128, 140, 149, 152, 138, 145​

Answer 1

Answer:

Answer Given Below

Step-by-step explanation:

(a)40+73+49+83+40+49+27+91+37+31+91+40+31+73+17+49+73+62+40+62+49+50+80+35+40+62+73+49+31+28 =1555/30=51.83

(B)142   +   149   +   135   +   150   +   128   +   140   +   149   +   152   +   138   +   145 =1428/10=142.8