Question 1

Data Set 2A
Suppose that the ages of 8 kittens in a pet shop are as follows:
1, 2, 2, 3, 3, 4, 4, 5
-What is the variance for Data Set 2A?

Accepted Answer

A)  1 
B)  2 
C)  √1.5 
D)  1.5 
E)  2.5 
A)  1 
B)  2 
C)  √1.5 
D)  1.5 
E)  2.5

Question 2

Suppose that for a large population, the margin of error of Poll A is 2%, and the margin of error of Poll B is 4%. Then,

Accepted Answer

A)  The sample used in Poll A is much larger than the sample used in Poll B. 
B)  The sample used in Poll A is slightly larger than the sample used in Poll B. 
C)  The sample used in Poll B is much larger than the sample used in Poll A. 
D)  The sample used in Poll B is slightly larger than the sample used in Poll A. 
E)  The difference in sampling error is unrelated to the size of the samples. 
A)  The sample used in Poll A is much larger than the sample used in Poll B. 
B)  The sample used in Poll A is slightly larger than the sample used in Poll B. 
C)  The sample used in Poll B is much larger than the sample used in Poll A. 
D)  The sample used in Poll B is slightly larger than the sample used in Poll A. 
E)  The difference in sampling error is unrelated to the size of the samples.

Question 3

Data Set 1C
Suppose that the following table represents the age of the houses in a certain neighborhood:  
-Given Data Set 1C, what is the mean age of the houses?

Accepted Answer

A)  3 years. 
B)  4.6 years. 
C)  5 years. 
D)  4 years. 
E)  5.7 years. 
A)  3 years. 
B)  4.6 years. 
C)  5 years. 
D)  4 years. 
E)  5.7 years.

Question 4

Data Set 1B
Suppose that the following table represents the age of the cars in a small used car lot:  
-Given Data Set 1B, what is the modal age of the cars?

Accepted Answer

A)  5 years. 
B)  4 years. 
C)  6 years. 
D)  3 years. 
E)  3.5 years. 
A)  5 years. 
B)  4 years. 
C)  6 years. 
D)  3 years. 
E)  3.5 years.

Question 5

One way of exaggerating the apparent message conveyed by a bar graph is by:

Accepted Answer

A)  Altering the vertical scale while leaving the horizontal scale as is. 
B)  Altering both the horizontal scale and the vertical scale by the same amount. 
C)  Altering the horizontal scale while leaving the vertical scale as is. 
D)  Narrowing the width of the bars. 
E)  Printing the bars in different colors. 
A)  Altering the vertical scale while leaving the horizontal scale as is. 
B)  Altering both the horizontal scale and the vertical scale by the same amount. 
C)  Altering the horizontal scale while leaving the vertical scale as is. 
D)  Narrowing the width of the bars. 
E)  Printing the bars in different colors.

Data Set 2A Suppose that the ages of 8 kittens in a pet shop are as follows: 1, 2, 2, 3, 3, 4, 4, 5 -What is the variance for Data Set 2A?

Suppose that for a large population, the margin of error of Poll A is 2%, and the margin of error of Poll B is 4%. Then,

Data Set 1C Suppose that the following table represents the age of the houses in a certain neighborhood: -Given Data Set 1C, what is the mean age of the houses?

Data Set 1B Suppose that the following table represents the age of the cars in a small used car lot: -Given Data Set 1B, what is the modal age of the cars?

One way of exaggerating the apparent message conveyed by a bar graph is by:

Basic Concepts

Language: Meaning and Definition

Informal Fallacies

Categorical Propositions

Categorical Syllogisms

Propositional Logic

Natural Deduction in Propositional Logic

Predicate Logic

Analogy and Legal and Moral Reasoning

Causality and Mills Methods

Probability

Hypotheticalscientific Reasoning

Science and Superstition

Filters

Exam 12: Statistical Reasoning

Data Set 2A Suppose that the ages of 8 kittens in a pet shop are as follows: 1, 2, 2, 3, 3, 4, 4, 5 -What is the variance for Data Set 2A?

Suppose that for a large population, the margin of error of Poll A is 2%, and the margin of error of Poll B is 4%. Then,

Data Set 1C Suppose that the following table represents the age of the houses in a certain neighborhood: -Given Data Set 1C, what is the mean age of the houses?

Data Set 1B Suppose that the following table represents the age of the cars in a small used car lot: -Given Data Set 1B, what is the modal age of the cars?

One way of exaggerating the apparent message conveyed by a bar graph is by:

Basic Concepts

Language: Meaning and Definition

Informal Fallacies

Categorical Propositions

Categorical Syllogisms

Propositional Logic

Natural Deduction in Propositional Logic

Predicate Logic

Analogy and Legal and Moral Reasoning

Causality and Mills Methods

Probability

Hypotheticalscientific Reasoning

Science and Superstition

Filters