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Displaying Data Unit Review

Total questions: 60

Worksheet time: 15hrs 0mins

Name
Class
Date
1.
This is the observed relationship between two quantities in a data set.
a)
Correlation
b)
Summation
c)
Measure
d)
Mean
2.

Correlation can be estimated by looking at this type of graph

a)

Scatter Plot

b)

Frequency Polygon

c)

Time Series Graph

d)

Stem-and-Leaf Plot

3.
This is a number that describes some characteristic of an entire data set, or the relationship of a data point to some such characteristic
a)
Measure
b)
Correlation
c)
Qualitative
d)
Quantitative
4.
This is a special type of bar graph where the bars are displayed in descending order
a)
Pareto Chart
b)
Scatter Plot
c)
Dot Plot
d)
Stem-and-Leaf Plot
5.
To find θ ("Theta"), you would multiply the _____________ of the category by 360.
a)
Frequency
b)
Relative Frequency
c)
Cumulative Frequency
d)
Midpoint
6.
Which of the following is the correct formula to find the midpoint ( x ) of a class    [ a, b )?
a)
x=(a+b)/2
b)
x=(a-b)/2
c)
x=(b-a)/2
d)
x=a+b/2
7.
If a data set had a minimum of 20 and a maximum of 100, and 8 classes were desired, what must the class width be, if the classes are made using set-interval notation?
a)
11
b)
10
c)
8
d)
40
8.
Review: Which level of measurement allows you to say that one data point is greater than or less than another, but not by how much?
a)
Ordinal
b)
Nominal
c)
Interval
d)
Ratio
9.
Which type of graph is appropriate for univariate quantitative data?
a)
Histogram
b)
Bar graph
c)
Scatter plot
d)
Pie chart
10.
If a data point is in a class [ a, b ), which of the following must be true about that data point?
a)
It is greater than or equal to "a" and strictly less than "b"
b)
It is strictly greater than "a" and less than or equal to "b"
c)
It is less than or equal to "a" or strictly greater than "b"
d)
It is strictly less than "a" or greater than or equal to "b"
11.
Which of these data displays has two anchors?
a)
Frequency Polygon
b)
Histogram
c)
Ogive
d)
Time Series Graph
12.
A Time Series graph is a lot like a Scatter Plot, except that...
a)
The points are connected with a line
b)
The vertical axis is cumulative frequency
c)
The bars touch
d)
The horizontal axis can't have a broken-axis symbol
13.
A Histogram looks a lot like a Bar Graph, except...
a)
The bars touch
b)
The bars don't touch
c)
The vertical axis is cumulative frequency
d)
You can put a broken-axis symbol on the vertical axis
14.
This is the only data display where you are allowed to put a broken-axis symbol on the vertical axis.
a)
Scatter Plot
b)
Dot Plot
c)
Pie Chart
d)
Pareto Chart
15.
This column is sometimes included in a data table, but only for organizational purposes. It is not displayed in the final version.
a)
Tally
b)
Frequency
c)
Midpoint
d)
Relative Frequency
16.
   If you see the point      (7, 15) on a ogive, what does that mean?
a)
There are 15 data points less than 7
b)
There are 7 data points less than 15
c)
There are 15 data points greater than 7
d)
There are 7 data points greater than 15
17.
For any class [a, b), which of the following is the correct formula to find the midpoint (x) of that class?
a)
x=(a+b)/2
b)
x=(a-b)/2
c)
x=a+b/2
d)
x=a-b/2
18.
Which of the following columns would NOT be included in a qualitative data table?
a)
Cumulative Frequency
b)
Relative Frequency
c)
Frequency
d)
Category
19.
Which of the following is an appropriate data display for qualitative data?
a)
Pie Chart
b)
Stem-and-leaf Plot
c)
Histogram
d)
Scatter Plot
20.
What type of correlation is shown in this image? 
a)
Negative
b)
Positive
c)
None Observed
d)
Parabolic
21.
Which Greek letter is the symbol for "the sum of"?
a)
Sigma
b)
Iota
c)
Rho
d)
Theta
22.
Which Greek letter is the symbol for "angle"?
a)
Theta
b)
Rho
c)
Sigma
d)
Iota
23.

Which Greek letter is the symbol for population correlation?

a)

Rho

b)

Sigma

c)

Iota

d)

Theta

24.
Which of the following is NOT a true statement about Pareto Charts?
a)
The bars must touch
b)
The bars are displayed in descending order
c)
The vertical axis is frequency or relative frequency
d)
The horizontal axis is category
25.
Which of the following is a true statement about Frequency Polygons?
a)
They have two anchors
b)
They have one anchor
c)
The vertical axis is cumulative frequency
d)
The horizontal axis is class endpoints
26.
Which of the following is a true statement about ogives?
a)
The vertical axis is cumulative frequency
b)
The vertical axis is relative frequency
c)
The horizontal axis is class midpoints
d)
They have two anchors
27.
In a pie chart, the slices are arranged _____ in descending order (with the exception of "other" and "none").
a)
Clockwise
b)
Counterclockwise
c)
Lengthwise
d)
Widthwise
28.

Which of the following is the correct formula to find relative frequency (rf)?

a)

rf=fΣfrf=\frac{f}{\Sigma f}

b)

rf=Σffrf=\frac{\Sigma f}{f}

c)

rf=nfrf=\frac{n}{f}

d)

rf=n⋅frf=n\cdot f

29.
Which of the following is the correct formula to find class width (w)?
a)
w=(max-min)/(# of classes), round up to the next integer
b)
w=(max-min)/2, round up to the next integer
c)
w=(max+min)/(# of classes), round up to the next integer
d)
w=(max+min)/2, round up to the next integer
30.
Review: If a field of study has 123 boys and 104 girls, how many boys should be surveyed if gender is a determining variable and the sample size is 50?
a)
27
b)
23
c)
42
d)
8
31.
Review: Which of the following is NOT a sampling method?
a)
Census
b)
Cluster
c)
Simple Random
d)
Systematic
32.
Review: This method of data collection does not involve any direct interaction with the field of study, but data from the real world is collected.
a)
Observation
b)
Experiment
c)
Simulation
d)
Survey
33.
Review: A _____ is a numerical description of a sample characteristic. [pick the best answer.]
a)
statistic
b)
parameter
c)
measure
d)
size
34.
Review: This is the only method of data collection that can establish causation.
a)
Experiment
b)
Survey
c)
Simulation
d)
Observation
35.
Review: The _____ is the data that a statistical study is interested in collecting.
a)
Population
b)
Sample
c)
Data Set
d)
Field of Study
36.
In an ogive, the anchor is at the...
a)
Beginning of the first class
b)
End of the first class
c)
Beginning of the last class
d)
End of the last class
37.
All good graphs need labels, except for the _____, which has a key instead.
a)
Stem-and-leaf Plot
b)
Frequency Polygon
c)
Dot Plot
d)
Pie Chart
38.
Σ(f)=
a)
n
b)
1
c)
rf
d)
cf
39.
Σ(rf)=
a)
1
b)
f
c)
cf
d)
n
40.
The horizontal axis of this graph is based on class midpoints
a)
Frequency Polygon
b)
Histogram
c)
Bar Graph
d)
Ogive
41.

The horizontal axis of a histogram comes from this column:

a)

Class

b)

Frequency

c)

Midpoint

d)

Cumulative Frequency

e)

Class Endpoints

42.

The vertical axis of a histogram comes from this column:

a)

Class

b)

Frequency

c)

Midpoint

d)

Cumulative Frequency

e)

Class Endpoints

43.

The horizontal axis of a frequency polgyon comes from this column:

a)

Class

b)

Frequency

c)

Midpoint

d)

Cumulative Frequency

e)

Class Endpoints

44.

The vertical axis of a frequency polgyon comes from this column:

a)

Class

b)

Frequency

c)

Midpoint

d)

Cumulative Frequency

45.

The horizontal axis of an ogive comes from this part of the frequency table:

a)

Class

b)

Frequency

c)

Midpoint

d)

Cumulative Frequency

e)

Class Endpoints

46.

The vertical axis of an ogive comes from this column:

a)

Class

b)

Frequency

c)

Midpoint

d)

Cumulative Frequency

e)

Class Endpoints

47.

Where do you find the left anchor of a frequency polygon?

a)

ww below the first midpoint

b)

ww above the last midpoint

c)

ww below the first endpoint

d)

ww above the last endpoint

48.

Where do you find the right anchor of a frequency polygon?

a)

ww below the first midpoint

b)

ww above the last midpoint

c)

ww below the first endpoint

d)

ww above the last endpoint

49.

Where do you find the  anchor of an ogive?

a)

At the beginning of the first class

b)

At the end of the first class

c)

At the beginning of the last class

d)

At the end of the last class

50.

True or False: You can use a broken-axis symbol on the vertical axis of graphs of univariate data.

a)

True

b)

False

51.

True or False: For the graphs that use  ff  on the vertical axis, you can use  rfrf  instead if you want.

a)

True

b)

False

52.

What is wrong with this histogram? Check all that apply.

a)

The vertical axis label is not descriptive

b)

The bars are different widths

c)

The horizontal axis describes quantitative data

d)

There is no broken-axis symbol

53.

What is wrong with this histogram? Check all that apply.

a)

The bars aren't touching

b)

The bars are not arranged in descending order

c)

There is no broken-axis symbol

d)

It is from a sample

54.

What is wrong with this frequency polygon? Check all that apply.

a)

The anchors are missing

b)

The area below the line isn't shaded

c)

The x-axis isn't hashed consistently

d)

The title is missing

55.

What is wrong with this frequency polygon? Check all that apply.

a)

The area under the line isn't shaded

b)

The horizontal axis is inconsistently hashed

c)

The vertical axis is inconsistently hashed

d)

The title is missing

56.

What is wrong with this ogive? Check all that apply.

a)

There are two zeroes that don't line up

b)

The vertical axis label isn't descriptive

c)

There is no right anchor

d)

The horizontal and vertical axes are hashed differently

57.

I have bars, but don't call me a bar graph. I'm a...

a)

Histogram

b)

Pareto Chart

c)

Stem-and-Leaf Plot

d)

Ogive

58.

The Histogram, Frequency Polygon and Ogive are all graphs for this data type:

a)

Univariate qualitative

b)

Univariate quantitative

c)

Multivariate qualitative

d)

Multivariate quantitative

59.

What's wrong with this histogram? Check all that apply.

a)

There is no broken-axis symbol

b)

The bars are touching

c)

The vertical axis label should be cfcf

d)

The bars are not arranged in descending order

60.

Review: This is the only Level of Measurement where you can talk about differences between data points and have negative numbers:

a)

Nominal

b)

Ordinal

c)

Interval

d)

Ratio

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