Deck 2: Psychosocial Health

Question 1

---------charts are a specific type of bar chart used in quality control programs by businesses to graphically display the causes of problems.

A)Stacked bar
B)Pareto
C)Clustered bar
D)Pie

Answer 1

Pareto

Question 2

The ---------- graphs the midpoint of each class as a line rather than a column.

A)bar chart
B)scatter plot
C)histogram
D)percentage polygon

Answer 2

percentage polygon

Question 3

A stem and leaf display most resembles a _____ .

A)histogram
B)pie chart
C)relative frequency distribution
D)contingency table

Answer 3

histogram

Question 4

The following graph shows the average grade point average for a particular college from 2006 until 2013.

A)Average GPA is the dependent variable in the graph.
B)Historically, the Average GPA of the college tends to decrease.
C)There appears to be no relationship between Year and Average GPA.
D)Year is the dependent variable in the graph.

Question 5

The class---------- is the breadth, or range, of numbers we plan to put into each class of a frequency distribution using grouped quantitative data.

A)frequency
B)width
C)number
D)boundary

Question 6

The class------- represent the minimum and maximum values for each class of a frequency distribution using grouped quantitative data.

A)numbers
B)boundaries
C)frequencies
D)width

Question 7

Class ------ are the number of observations for each class of a frequency distribution using grouped quantitative data.

A)width s

Question 8

When you want to compare the shape of two or more distributions on one graph, a ------------ is your best choice

A)frequency distribution
B)percentage polygon
C)relative frequency distribution
D)histogram

Question 9

Which of the following is not a rule for constructing a frequency distribution using grouped quantitative data?

A)Avoid empty classes.
B)Avoid close- ended classes.
C)Use equal- size classes.
D)Use mutually exclusive classes.

Question 10

In Excel, contingency tables are known as --------.

A)pivot tables
B)frequency distributions
C)bar charts
D)bins

Question 11

--------totals the proportion of observations that are less than or equal to the class at which you are looking.

A)Histograms
B)Relative frequency distributions
C)Cumulative relative frequency distributions
D)Frequency distributions

Question 12

------provide a picture of the relationship between two data points that are paired together.

A)Histograms
B)Scatter plots
C)Pareto charts
D)Pie charts

Question 13

A data set has 60 observations with a minimum value equal to 30 and a maximum value equal to 72. The estimated class width using the 2k c n rule to determine the number of classes is

A)9.
B)12.
C)10.
D)7.

Question 14

A--------- chart is a special type of scatter plot in which the data points in the scatter plot are connected with a line.

A)pie
B)Pareto
C)bar
D)line

Question 15

A(n)---------- is a category in a frequency distribution.

A)histogram
B)class
C)ogive
D)polygon

Question 16

--------------data are values based on observations that can be counted and are typically represented by whole numbers.

A)Continuous
B)Nominal
C)Discrete
D)Time series

Question 17

---------group several values in a single column within the same category in a vertical direction.

A)Pie charts
B)Clustered bar charts
C)Scatter plots
D)Stacked bar charts

Question 18

The following graph shows the curb weight of seven cars, in pounds, along with their corresponding highway miles per gallon.

A)Miles per gallon is the independent variable in the graph.
B)As the curb weight increases, the highway miles per gallon tend to increase.
C)Curb weight is the dependent variable in the graph.
D)As the curb weight increases, the highway miles per gallon tend to decrease.

Question 19

The following graph shows the curb weight of seven cars, in pounds, along with their corresponding highway miles per gallon.

A)Pareto chart
B)scatter plot
C)line chart
D)histogram

Question 20

--------display the proportion of observations of each class relative to the total number of observations.

A)Cumulative relative frequency distributions
B)Frequency distributions
C)Histograms
D)Relative frequency distributions

Question 21

A data set has 60 observations with a minimum value equal to 30 and a maximum value equal to 72. The number of classes using the 2k c n rule is

A)6.
B)7.
C)8.
D)5.

Question 22

The----- is a line graph that plots the cumulative relative frequency distribution.

A)scatter plot
B)percentage polygon
C)ogive
D)histogram

Question 23

The goal of constructing a frequency distribution is to identify a useful pattern in the data and often there is more than one acceptable way to accomplish this with grouped quantitative data.

Question 24

------provide a format to display observations that have more than one value associated with them.

A)Histograms
B)Contingency tables
C)Pie charts
D)Frequency distributions

Question 25

A ________ is a table that shows the number of data observations that fall into specific intervals.

A)histogram
B)percent polygon
C)frequency distribution
D)Pareto chart

Question 26

Under no circumstances should open- ended classes be used for a frequency distribution using grouped quantitative data.

Question 27

A------- is a graph showing the number of observations in each class of a frequency distribution.

A)relative frequency distribution
B)polygon
C)histogram
D)frequency distribution

Question 28

Use a------- chart if you want to compare the relative sizes of the classes in a frequency distribution and together they comprise all possible categories.

A)Pareto
B)horizontal bar
C)vertical bar
D)pie

Question 29

----------are values that can take on any real numbers, including numbers that contain decimal points. This data is often the result of measuring observations rather than counting them.

A)Discrete
B)Ordinal
C)Cross- sectional
D)Continuous

Question 30

Bins in Excel represent the

A)upper boundary of each class in a frequency distribution.
B)width of each class in a frequency distribution.
C)number of classes in a frequency distribution.
D)lower boundary of each class in a frequency distribution.

Question 31

The following chart shows the average number of hours commuters spend in traffic delays per year at the six most congested cities in the U.S.

A)vertical bar chart.
B)horizontal bar chart.
C)Pareto chart.
D)stacked bar chart.

Question 32

---------group several values side by side within the same category in a vertical direction.

A)Pie charts
B)Stacked bar charts
C)Clustered bar charts
D)Scatter plots

Question 33

Pareto charts also plot the cumulative relative frequency as a line on the chart. This line is known as a(n)----------.

A)frequency distribution
B)histogram
C)scatter plot
D)ogive

Question 34

----------classes are classes with boundaries that do not overlap.

A)Equal- size
B)Open- ended
C)Close- ended
D)Mutually exclusive

Question 35

The dependent variable in a scatter plot is influenced by changes in the independent variable.

Question 36

Fifty employees at CSC Corporation responded to a survey asking for the number of minutes they commute to work in the morning. Management would like to know the proportion of employees whose commute is less than 30 minutes. A cumulative relative frequency distribution using grouped data would provide the information to answer this question.

Question 37

Clustered bar charts are preferred over stacked bar charts when you are comparing data within categories, such as which team scored more points in 2009 when compared to 2010.

Question 38

The following chart shows the average number of hours commuters spend in traffic delays per year at the six most congested cities in the U.S.

A)Houston commuters have a higher average number of hours spent per year in traffic delays when compared to New York commuters.
B)Chicago commuters have the highest average number of hours spent per year in traffic delays.
C)Baltimore commuters have the lowest average number of hours spent per year in traffic delays.
D)Los Angeles commuters have a lower average number of hours spent per year in traffic delays when compared to Washington commuters.

Question 39

Histograms displaying continuous data have gaps between their bars.

Question 40

Empty classes for a frequency distribution using grouped quantitative data result from class widths that are too wide.

Question 41

When creating a frequency distribution with grouped qualitative data and 45 data points, five classes should be set up using the 2k c n rule.

Question 42

Choose a pie chart rather than a bar chart if you want to highlight the actual data values and when the classes combined don't form a whole.

Question 43

The cumulative percentage polygon is a line graph that plots the cumulative relative frequency distribution.

Question 44

The estimated class width for a frequency distribution using grouped quantitative data should be rounded to an integer value to make the class boundaries more readable.

Question 45

When graphing a time series, the convention is to place the time data on the vertical axis of the graph.

Question 46

The sum of the cumulative relative frequencies for the cumulative relative frequency distribution should be equal to or very close to 1.0 due to rounding.

Question 47

When constructing a pie chart, all categories in the data set must be included in the pie.

Question 48

Pareto charts are a specific type of bar chart used in quality control programs by businesses to graphically display the causes of problems.

Question 49

Contingency tables help us identify relationships between two or more variables.

Question 50

Income and age are examples of data that are technically discrete but are normally displayed in a continuous format.

Question 51

The stem and leaf display is a graphical technique that can used to display qualitative data.

Question 52

A histogram is the appropriate type of graph to display both quantitative and qualitative data.

Question 53

When constructing a frequency distribution with grouped qualitative data, occasionally you will end up with k + 1 or k - 1 classes to cover the entire data set.

Question 54

Discrete data can have an infinite number of values within a specific interval.

Question 55

Continuous data are values based on observations that can be counted and are typically represented by whole numbers.

Question 56

The sum of the relative frequencies for the relative frequency distribution should be equal to or very close to 1.0 due to rounding.

Question 57

A stem and leaf display allows you to observe individual data values while a histogram groups data values together.

Question 58

The only limitation in the number of continuous values within an interval is the level of precision of the measuring instrument.

Question 59

Each category of a pie chart occupies a segment of the pie that represents the cumulative relative frequency of that category.

Question 60

A data set is known as a times series when each data point is associated with a specific point in time.

Question 61

Bar charts can display data either horizontally or vertically.

Question 62

A symmetrical distribution is one in which the right side of the distribution looks like the mirror image of the left side of the distribution.

Question 63

Pie charts are an excellent tool for comparing proportions for qualitative (categorical)data.

Question 64

A frequency distribution is a table that shows the number of data observations that fall into specific intervals.

Question 65

If the class sizes are not equal for a frequency distribution using grouped quantitative data, patterns in the distribution could be misleading.

Question 66

Choose a pie chart rather than a bar chart if you want to compare the relative sizes of the classes to one another and together they comprise all possible categories.

Question 67

The independent variable on scatter plots is placed on the vertical axis on the graph.

Question 68

Clustered bar charts are preferred over stacked bar charts when you are displaying totals in each category, such as what team scored the most points over the two- year period.

Question 69

Pareto charts display the categories in an increasing order with the least problematic categories shown first.

Question 70

Fifty employees at CSC Corporation responded to a survey asking for the number of minutes they commute to work in the morning. Eighteen employees indicated that their commutes are 15 to less than 20 minutes. The relative frequency for this class in a frequency distribution would be 0.18.

Question 71

Continuous data is often the result of measuring observations rather than counting them.

Question 72

Histograms displaying discrete data usually have gaps between their bars.

Question 73

Quantitative data are values that are categorical, describing a characteristic such as gender or level of education.

Question 74

Equal- size classes refer to classes for a frequency distribution using grouped quantitative data that do not overlap.

Question 75

The dependent variable on scatter plots is placed on the horizontal axis on the graph.