Question 1

Which of the following graphs is for qualitative data?

Accepted Answer

A) Histogram 
B) Bar chart 
C) Ogive plot 
D) Stem-and-leaf 
A) Histogram 
B) Bar chart 
C) Ogive plot 
D) Stem-and-leaf

Question 2

All of the following are used to describe qualitative data except the ___________.

Accepted Answer

A) Bar chart 
B) Pie chart 
C) Histogram 
D) Pareto chart 
A) Bar chart 
B) Pie chart 
C) Histogram 
D) Pareto chart

Question 3

In the first step of setting up a Pareto chart,a frequency table should be constructed of the defects (or categories)in decreasing order of frequency.

Accepted Answer

A) True 
 B)False

Question 4

The following is a relative frequency distribution of grades in an introductory statistics course.   Construct a percent frequency bar chart for this data.

Accepted Answer

The answer of The following is a relative frequency distribution...

Question 5

Using the following data,what would be the range of the values of the stem in a stem-and-leaf display?

Accepted Answer

A) 11-17 
B) 11-18 
C) 10-18 
D) 12-17 
E) 12-18 
A) 11-17 
B) 11-18 
C) 10-18 
D) 12-17 
E) 12-18

Question 6

A bar chart is a graphic that can be used to depict qualitative data.

Accepted Answer

A) True 
 B)False

Question 7

______________ and _____________ are used to describe qualitative (categorical)data.

Accepted Answer

A) Stem-and-leaf displays,scatter plots 
B) Scatter plots,histograms 
C) Box plots,bar charts 
D) Bar charts,pie charts 
E) Pie charts,histograms 
A) Stem-and-leaf displays,scatter plots 
B) Scatter plots,histograms 
C) Box plots,bar charts 
D) Bar charts,pie charts 
E) Pie charts,histograms

Question 8

Each stem of a stem-and-leaf display should be a single digit.

Accepted Answer

A) True 
 B)False

Question 9

A flaw possessed by a population or sample unit is ___________.

Accepted Answer

A) Always random 
B) A defect 
C) Displayed by a dot plot 
D) The cause for extreme skewness to the right 
A) Always random 
B) A defect 
C) Displayed by a dot plot 
D) The cause for extreme skewness to the right

Question 10

The following is a relative frequency distribution of grades in an introductory statistics course.   If this was the distribution of 200 students,find the frequency of failures.

Accepted Answer

A) 12 
B) 6 
C) 23 
D) 46 
E) 3 
A) 12 
B) 6 
C) 23 
D) 46 
E) 3

Question 11

The number of items rejected daily by a manufacturer because of defects for the last 30 days are:
20,21,8,17,22,19,18,19,14,17,11,6,21,25,4,19,9,12,16,16,10,28,24,6,21,20,25,5,17,8
Construct a stem-and-leaf plot.

Accepted Answer

The answer of The number of items rejected daily by...

Question 12

A ______________ shows the relationship between two variables.

Accepted Answer

A) Stem-and-leaf 
B) Bar chart 
C) Histogram 
D) Scatter plot 
E) Pie chart 
A) Stem-and-leaf 
B) Bar chart 
C) Histogram 
D) Scatter plot 
E) Pie chart

Question 13

A company collected the ages from a random sample of its middle managers,with the resulting frequency distribution shown below.   What is the relative frequency for the largest interval?

Accepted Answer

A) .132 
B) .226 
C) .231 
D) .283 
E) .288 
A) .132 
B) .226 
C) .231 
D) .283 
E) .288

Question 14

A graphical portrayal of a quantitative data set that divides the data into classes and gives the frequency of each class is a(n)___________.

Accepted Answer

A) Ogive plot 
B) Dot plot 
C) Histogram 
D) Pareto chart 
E) Bar chart 
A) Ogive plot 
B) Dot plot 
C) Histogram 
D) Pareto chart 
E) Bar chart

Question 15

The following table lists the types of customer complaint calls on satellite TV service during the first two months after installation.   Construct a Pareto chart.

Accepted Answer

The answer of The following table lists the types of...

Question 16

A _____________ displays the frequency of each group with qualitative data,and a _____________ displays the frequency of each group with quantitative data.

Accepted Answer

A) Histogram,stem-and-leaf display 
B) Bar chart,histogram 
C) Scatter plot,bar chart 
D) Stem-and-leaf,pie chart 
A) Histogram,stem-and-leaf display 
B) Bar chart,histogram 
C) Scatter plot,bar chart 
D) Stem-and-leaf,pie chart

Question 17

A local electronics retailer recently conducted a study on purchasers of large screen televisions.The study recorded the type of television and the credit account balance of the customer at the time of purchase.They obtained the following results.   What percentage of the customers had the highest credit balances and purchased an LCD television?

Accepted Answer

A) 36.30 
B) 5.90 
C) 19.60 
D) 56.30 
E) 16.20 
A) 36.30 
B) 5.90 
C) 19.60 
D) 56.30 
E) 16.20

Question 18

A ______________ can be used to differentiate the vital few causes of quality problems from the trivial many causes of quality problems.

Accepted Answer

A) Histogram 
B) Scatter plot 
C) Pareto chart 
D) Ogive plot 
E) Stem-and-leaf display 
A) Histogram 
B) Scatter plot 
C) Pareto chart 
D) Ogive plot 
E) Stem-and-leaf display

Question 19

The US local airport keeps track of the percentage of flights arriving within 15 minutes of their scheduled arrivals.The stem-and-leaf plot of the data for one year is below.   What would be the class length for creating the frequency histogram?

Accepted Answer

A) 1.4 
B) 0.8 
C) 2.7 
D) 1.7 
E) 2.3 
A) 1.4 
B) 0.8 
C) 2.7 
D) 1.7 
E) 2.3

Question 20

If there are 120 values in a data set,how many classes should be created for a frequency histogram?

Accepted Answer

A) 4 
B) 5 
C) 6 
D) 7 
E) 8 
A) 4 
B) 5 
C) 6 
D) 7 
E) 8

Which of the following graphs is for qualitative data?

All of the following are used to describe qualitative data except the ___________.

In the first step of setting up a Pareto chart,a frequency table should be constructed of the defects (or categories)in decreasing order of frequency.

The following is a relative frequency distribution of grades in an introductory statistics course. Construct a percent frequency bar chart for this data.

Using the following data,what would be the range of the values of the stem in a stem-and-leaf display?

A bar chart is a graphic that can be used to depict qualitative data.

__ and _ are used to describe qualitative (categorical)data.

Each stem of a stem-and-leaf display should be a single digit.

A flaw possessed by a population or sample unit is ___________.

The following is a relative frequency distribution of grades in an introductory statistics course. If this was the distribution of 200 students,find the frequency of failures.

The number of items rejected daily by a manufacturer because of defects for the last 30 days are: 20,21,8,17,22,19,18,19,14,17,11,6,21,25,4,19,9,12,16,16,10,28,24,6,21,20,25,5,17,8 Construct a stem-and-leaf plot.

A ______________ shows the relationship between two variables.

A company collected the ages from a random sample of its middle managers,with the resulting frequency distribution shown below. What is the relative frequency for the largest interval?

A graphical portrayal of a quantitative data set that divides the data into classes and gives the frequency of each class is a(n)___________.

The following table lists the types of customer complaint calls on satellite TV service during the first two months after installation. Construct a Pareto chart.

A _ displays the frequency of each group with qualitative data,and a _ displays the frequency of each group with quantitative data.

A ______________ can be used to differentiate the vital few causes of quality problems from the trivial many causes of quality problems.

The US local airport keeps track of the percentage of flights arriving within 15 minutes of their scheduled arrivals.The stem-and-leaf plot of the data for one year is below. What would be the class length for creating the frequency histogram?

If there are 120 values in a data set,how many classes should be created for a frequency histogram?

An Introduction to Business Statistics

Descriptive Statistics: Numerical Methods

Probability

Discrete Random Variables

Continuous Random Variables

Sampling and Sampling Distributions

Confidence Intervals

Hypothesis Testing

Statistical Inferences Based on Two Samples

Experimental Design and Analysis of Variance

Chi-Square Tests

Simple Linear Regression Analysis

Multiple Regression and Model Building

Process Improvement Using Control Charts

Filters

Exam 2: Descriptive Statistics: Tabular and Graphical Methods

Which of the following graphs is for qualitative data?

All of the following are used to describe qualitative data except the ___________.

In the first step of setting up a Pareto chart,a frequency table should be constructed of the defects (or categories)in decreasing order of frequency.

The following is a relative frequency distribution of grades in an introductory statistics course. Construct a percent frequency bar chart for this data.

Using the following data,what would be the range of the values of the stem in a stem-and-leaf display?

A bar chart is a graphic that can be used to depict qualitative data.

______________ and _____________ are used to describe qualitative (categorical)data.

Each stem of a stem-and-leaf display should be a single digit.

A flaw possessed by a population or sample unit is ___________.

The following is a relative frequency distribution of grades in an introductory statistics course. If this was the distribution of 200 students,find the frequency of failures.

The number of items rejected daily by a manufacturer because of defects for the last 30 days are: 20,21,8,17,22,19,18,19,14,17,11,6,21,25,4,19,9,12,16,16,10,28,24,6,21,20,25,5,17,8 Construct a stem-and-leaf plot.

A ______________ shows the relationship between two variables.

A company collected the ages from a random sample of its middle managers,with the resulting frequency distribution shown below. What is the relative frequency for the largest interval?

A graphical portrayal of a quantitative data set that divides the data into classes and gives the frequency of each class is a(n)___________.

The following table lists the types of customer complaint calls on satellite TV service during the first two months after installation. Construct a Pareto chart.

A _____________ displays the frequency of each group with qualitative data,and a _____________ displays the frequency of each group with quantitative data.

A ______________ can be used to differentiate the vital few causes of quality problems from the trivial many causes of quality problems.

The US local airport keeps track of the percentage of flights arriving within 15 minutes of their scheduled arrivals.The stem-and-leaf plot of the data for one year is below. What would be the class length for creating the frequency histogram?

If there are 120 values in a data set,how many classes should be created for a frequency histogram?

An Introduction to Business Statistics

Descriptive Statistics: Numerical Methods

Probability

Discrete Random Variables

Continuous Random Variables

Sampling and Sampling Distributions

Confidence Intervals

Hypothesis Testing

Statistical Inferences Based on Two Samples

Experimental Design and Analysis of Variance

Chi-Square Tests

Simple Linear Regression Analysis

Multiple Regression and Model Building

Process Improvement Using Control Charts

Filters

__ and _ are used to describe qualitative (categorical)data.

A _ displays the frequency of each group with qualitative data,and a _ displays the frequency of each group with quantitative data.