Elementary Statistics Study Guide – Chapter 2
Reading & Practice
Reading
Practice Problem
Section
Pages
Page
Problems
2.1
40 - 48
49 - 54
1 – 28 all, 29 – 43 odd
2.2
55 - 61
62 - 65
1 – 36 all
2.3
67 - 73
74 - 79
1 – 16 all, 17 -33 odd,
35 – 40 all, 41 – 59 odd
2.4
82 – 92
93 – 98
1 – 8 all, 9 – 47 odd
2.5
102 – 108
109 - 112
1 – 10 all, 11 – 39 odd,
41 – 52 all
Knowledge Checklist:
Upon finishing this chapter, you should be able to

Construct a frequency distribution including limits, midpoints, relative frequency, cumulative frequencies, and boundaries.

Construct frequency histogram, frequency polygons, relative frequency histograms and o-gives.

Graph and interpret quantitative data sets using stem-and-leaf plots and dot plots.

Graph and interpret qualitative data sets using pie charts and Pareto charts.

Graph and interpret paired data sets using scatter plots and time series charts

Find the mean, median and mode of a population and of a sample

Find a weighted mean of a data set and the man of a frequency distribution

Describe the shape of a distribution as symmetric, uniform, or skewed, and how to compare the mean and median for each.

Find the range of a data set and how to find the variance and standard deviation of a population and of a sample

Use the Empirical Rule and Chebychev’s Theorem to interpret standard deviation

Approximate the sample standard deviation for grouped data

Use the coefficient of variation to compare variation in different data sets

Find the first, second and third quartiles of a data set, how to find the interquartile rand of a data set, and how to represent
a data set graphically using a box-and-whisker plot

Interpret other fractiles such as percentiles and how to find percentiles for a specific data entry
 Find and interpret the standard score (z-score)
Assignment Information
Assignment
Page
Problems
Due Date
Chapter 2
116
1 – 47 odd
Monday, June 8, 2015