A simple random sample of 5 observations from a population containing 400 elements was taken, and the following values were obtained.
12,18,19,20
A point estimate of the population mean is
a. 19
b. 18
C. 20
d. 5
Od.5 Oc.20 Ob.18 Oa.19 18 12 A point estimate of the population mean is 20 19 A simple random sample of 5 observations from a population containing 40o elements was taken, and the following values were obtained.