Question 1:                                                                                                                 Marks: 5+5=10

1. Top ten students in MCS class in VU have following marks division in a CS paper.

89, 90, 85, 88, 83, 79, 95, 93, 81, 80

Calculate the fraction of data falling in the limits,  and.

1. For a certain data, Mean = 4, Median = 3 and Standard Deviation = 2.Find Pearson’s coefficient of skewness by using mode and interpret the results.

i) From the table given below, Find

(a) Class boundaries

(b) How many men fall in the age of 50 or above?

(c) How many men fall between the age group of 60 and 69?