MATH 302 QUIZ 1 GRADED A

MATH 302 QUIZ 1 – QUESTION AND ANSWERS
SET 3
Question 1 of 20 1.0/ 1.0 Points

What is the term for a characteristic or attribute that can assume
different values?
A. datum
B.exponent
Correct
C.variable
D.sample



Answer Key: C


Question 2 of 20 1.0/ 1.0 Points

A pareto chart does NOT have which of the following
properties? A.It is used to represent categorical data
B. The frequencies are arranged from highest to
lowest Correct C.The frequencies are arranged from
lowest to highest D.It is a bar chart



Answer Key: C


Question 3 of 20 1.0/ 1.0 Points

Suppose that a histogram of a data set is approximately
symmetric and "bell shaped". Approximately what percent of
the observations are within two standard deviations of the
mean?
A.50%
Correct
B.95%
C.68%
D.99.7%

,Answer Key: B


Question 4 of 20 1.0/ 1.0 Points

,Suppose that a histogram of a data set is approximately
symmetric and "bell shaped". Approximately, what percent of
the observations are within three standard deviations of the
mean?
A. 8
%
B.95
%
Correct C.99.7%
D.50%



Answer Key: C


Question 5 of 20 1.0/ 1.0 Points

The amount of time needed to run the Boston marathon is an
example of which type of variable?
Correct
A.continuous
B.none of the
above
C.qualitative
D.discrete



Answer Key: A


Question 6 of 20 1.0/ 1.0 Points

Gender and State are examples of which type
of data? A.Discrete data
B. Continuous
data C.Ordinal
data
Correct D.Categorical data



Answer Key: D

, Question 7 of 20 1.0/ 1.0 Points