Harper MTH165 Homework Section 2.1 Latest 2020 MAY

MTH165 ELEMENTARY STATISTICS

Homework Section 2.1

In this section you learned how to make appropriate graphs when data are collected for a single qualitative variable.

Name the two graphs you learned about in this section:

__________________________ and __________________________

Given a frequency, how do you compute the corresponding relative frequency?

______________Frequency/(sum of all frequencies ) ___________________________

Fill in the following as you work through your given problems in MyOpenMath

Fill in the following in the context of this problem:

Individual object: ____________________________________________

Variable info collected from each object: ____________________________________

Since data were collected for ____ _____ variable(s), the correct graph to make is a ________.

Complete the frequency/relative frequency table:

Class rank            Frequency          Relative frequency         

Carpool                5              0.25

Private  4              0.2

Public    6              0.3

Other    5              0.25

c.             Use StatCrunch to make the bar chart    Print and attach graph.

                Use StatCrunch to make the pie chart.   Print and attach graph.

Fill in the following in the context of this problem:

Individual object: ________________________________________________

Variable info collected from each object: _____________________________________

                Since data were collected for ___________ variable(s), the correct graph to make is a ___ _____.

Complete the frequency/relative frequency table:

Class rank            Frequency          Relative frequency

Electricity             4              0.20

Fuel oil  9              0.45

gas         6              0.30

other     1              0.05

c.             Use StatCrunch to make the bar chart    Print and attach graph.                 

d.            Use StatCrunch to make the pie chart.   Print and attach graph.

 Fill in the following in the context of this problem:

Individual object: _______ ________________________________________

Variable 1 info collected from each object: __ ___________________________________

Variable 2 info collected from each object: _____ ________________________________

a.            Since data were collected for  _______ variable(s), the correct graph to make is a ____side by side bar chart_____.

b.Use StatCrunch to make the graph   Print and attach graph.    

Fill in the following in the context of this problem:

Individual object: __________________________________________

Variable 1 info collected from each object: ____________________________________

Variable 2 info collected from each object: ______________________________

a.            Since data were collected for ___ _______ variable(s), the correct graph to make is a ___side by side bar chart______.

b.Use StatCrunch to make the graph   Print and attach graph.