Use frequency distribution formulas to estimate the sample mean and the sample standard deviation of the data
Question:
Use frequency distribution formulas to estimate the sample mean and the sample standard deviation of the data set in Exercise 2.
Data from exercise 2:
The data set represents the numbers of movies that a sample of 20 people watched in a year.
(a) Construct a frequency distribution for the data set using six classes.
Include class limits, midpoints, boundaries, frequencies, relative frequencies, and cumulative frequencies.
(b) Display the data using a frequency histogram and a frequency polygon on the same axes.
(c) Display the data using a relative frequency histogram.
(d) Describe the shape of the distribution as symmetric, uniform, skewed left, skewed right, or none of these.
(e) Display the data using an ogive.
DistributionThe word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...
Step by Step Answer:
Elementary Statistics Picturing The World
ISBN: 9780134683416
7th Edition
Authors: Ron Larson, Betsy Farber