Mean, Median, Five Number Summary
Name : E.
Student ID : 2011
Country :
Course : Business Statistics
Homework 2
1. Consider a sample with data values of 27, 25, 20, 15, 30, 34, 28, and 25.
a) Compute the mean, median, and mode.
b) Compute the 20th, 65th, and 75th percentiles.
c) Compute the range, interquartile range, variance, and standard deviation.
Answers:
Data values: 15, 20, 25, 25, 27, 28, 30, 34
a) Mean: [pic]= ∑xi/n = (15+20+25+25+27+28+30+34) / 8 = 204 / 8 = 25.5...