Answer to Question #30191 in Statistics and Probability for luba girma

Question

the following data set was obtained from a survey of 20 marketing researchers from 20 sample companies in a town each value represents the number of customers, that the researchers meet their clients on a randomly selected day of a weak.construct a frequency distribution for the data using 7 class
14 8 33 28 23
38 16 22 13 31
27 27 20 18 26
36 40 34 11 24
a) determine basis of data classification to be used to present the data.
b) construct complete grouped frequency distribution for the data.
c) determine average distance covered by the researchers
d) determine the median of the frequency distribution.
e) determine variance and standard deviation of the distribution.
f) determine coefficient of variation for the distribution
g) determine moment coefficient of skewness, pearsonian coefficient of skewness, type of skewness and type of kurtosis
h) present the data using histogram and ogive curves