Deck 4: A Picture Really Is Worth a Thousand Words

Question 1

What is the most basic method of illustrating data?

A) Frequency distribution
B) Pie chart
C) Line graph
D) Polygon

Answer 1

A

Question 2

What is the term associated with the lack of symmetry in a distribution?

A) Ogive
B) Skewness
C) Kurtosis
D) Variability

Answer 2

B

Question 3

What type of graph displays class intervals along an x-axis?

A) Polygon
B) Line graph
C) Histogram
D) Tally marks

Answer 3

C

Question 4

What is the term associated with how flat or peaked a distribution appears?

A) Ogive
B) Skewness
C) Kurtosis
D) Variability

Question 5

What is another name for a cumulative frequency polygon?

A) Olive
B) Cumulative polygon
C) Ogive
D) Cumulative tally

Question 6

What is the term associated with a range of numbers that spans a set number of scores used when creating frequency distributions?

A) Histogram
B) Polygon
C) Class interval
D) Frequency count

Question 7

If the median of a set of scores is greater than the mean, what can be said about the distribution?

A) Negatively skewed
B) Positively skewed
C) Platykurtic
D) Leptokurtic

Question 8

If you wanted to examine the proportion of students in this class who are male compared to female, which of the following might you use?

A) Bar chart
B) Line graph
C) Pie chart
D) Histogram

Question 9

What do you call a continuous line that represents the frequency of scores within a class interval?

A) Polygon
B) Line graph
C) Histogram
D) Tally marks

Question 10

In order to say that a distribution is positively skewed, which of the following must be true?

A) Right tail must be longer than the left
B) Right tail must be shorter than the left
C) Right and left tails must be equal
D) Curve must be bell-shaped

Question 11

In order to create a histogram in Excel, you must identify the "bins" you want. To what are the bins referring?

A) Polygon
B) Tally marks
C) Histogram
D) Class interval

Question 12

When the right tail of a distribution's curve is longer than the left, what is this called?

A) Platykurtic
B) Leptokurtic
C) Positive skew
D) Negative skew

Question 13

If you were interested in tracking your GPA during the time you are in graduate school, which of the following might you use?

A) Bar chart
B) Line graph
C) Pie chart
D) Histogram

Question 14

Which of the following are among the things to remember when creating figures?

A) Use a lot of text
B) Graphs communicate several ideas
C) Label just the most important item
D) Maintain the scale in the graph

Question 15

Which of the following Excel functions will allow you to examine the symmetry of a set of scores?

A) AVERAGE(A1:A20)
B) VAR(A1:A20)
C) SKEW(A1:A20)
D) KURT(A1:A20)

Question 16

Which of the following refers to a distribution's curve that is relatively peaked in comparison to a normal curve?

A) Platykurtic
B) Leptokurtic
C) Positive skew
D) Negative skew

Question 17

Which of the following refers to a distribution's curve that is relatively flat in comparison to a normal curve?

A) Platykurtic
B) Leptokurtic
C) Positive skew
D) Negative skew

Question 18

When the left tail of a distribution's curve is longer than the right, what is this called?

A) Platykurtic
B) Leptokurtic
C) Positive skew
D) Negative skew

Question 19

If the mean of a set of scores is greater than the median, what can be said about the distribution?

A) Negatively skewed
B) Positively skewed
C) Platykurtic
D) Leptokurtic

Question 20

Which of the following is a method of tallying, and representing, how often a certain score occurs?

A) Class interval
B) Frequency distribution
C) Histogram
D) Polygon

Question 21

What is the definition of a cumulative frequency distribution?

Question 22

If you have a distribution of 100 scores and you want 20 intervals, what should be the size of your class interval?

Question 23

What is the difference between skewness and kurtosis?

Question 24

If you have a distribution of 50 scores and you want 5 intervals, what should be the size of your class interval?

Question 25

What are the two types of kurtosis? Explain each.

Question 26

If you have a distribution of 20 scores and you want 2 intervals, what should be the size of your class interval?

Question 27

Name the four ways that distributions can be different from one another.

Question 28

What are the two types of skewness? Explain each.

Question 29

List the 10 ways to create great figures outlined in the text.

Question 30

If you have a distribution of 50 scores and you want 10 intervals, what should be the size of your class interval?