Deck 10: Shapes of Distributions

Question 1

What is the table that shows how many participants have each score?

A) Frequency polygon
B) Frequencies
C) Frequency distribution
D) Descriptive Statistics

Answer 1

C

Question 2

What does the highest point in the frequency polygon show?

A) It shows where most of the participants are clustered
B) It shows where the least of the participants are clustered
C) It shows where the highest score is
D) It shows where the lowest score is

Answer 2

A

Question 3

What is the height of the curve at each score on the horizontal line of the frequency polygon based on?

A) Frequency distribution
B) Each score
C) Descriptive Statistics
D) Frequency of each score

Answer 3

D

Question 4

Which of the following does NOT describe a normal curve, also known as the bell-shaped curve?

A) It is the most important shape
B) It is a shape very often found in nature
C) It is the basis for a number of inferential statistics
D) The length of the tails on either sides of the curve may not necessarily look the same

Question 5

What kind of distribution is it in the case where the curve of a frequency polygon is high on the right side?

A) Normal distribution
B) Positive skew distribution
C) Negative skew distribution

Question 6

What kind of distribution is it in the case where the long tail of a frequency polygon is on the right side?

A) Normal distribution
B) Positive skew distribution
C) Negative skew distribution

Question 7

What shape of distribution (Normal, Positive skew, or Negative skew) would you expect for a polygon of the following data?
a. The heights of women in a large population: ________________________
b. Income ________________________
c. A test with a large number of high scores________________________
d. The average annual rainfall in Los Angeles over the past 110 years: ________________________