Question 1

The two most important characteristics revealed by the scatter diagram are the strength and direction of the linear relationship.

Accepted Answer

A) True 
 B)False

Question 2

A line chart that is flat shows no fluctuation in the variable being presented.

Accepted Answer

A) True 
 B)False

Question 3

A category in a pie chart that contains 50% of the observations is represented by a slice of the pie that is equal to ____________________ degrees.

Accepted Answer

The answer of A category in a pie chart that...

Question 4

The intervals (classes) in a histogram are equally wide.

Accepted Answer

A) True 
 B)False

Question 5

A pie chart shows the ____________________ of individuals that fall into each category.

Accepted Answer

percentage

Question 6

Forty truck buyers were asked to indicate the car dealer they believed offered the best overall service. The four choices were A, B, C, and D as shown below:
   Construct a table showing the frequencies and relative frequencies for this data set. What proportion of car buyers rated dealer D as the best?

Accepted Answer

@#IMG-DLM& 0.173 of the truck

Question 7

When two variables are linearly related, and tend to move in opposite directions, we describe the nature of their association as a negative linear relationship.

Accepted Answer

A) True 
 B)False

Question 8

Explain why religious preference is not an ordinal variable.

Accepted Answer

The values of religi

Question 9

Explain the difference between ordinal data and interval data.

Accepted Answer

The critical difference between them is

Question 10

Your age group (1-9; 10-19; 20-29; 30-39; etc.) is an interval variable.

Accepted Answer

A) True 
 B)False

Question 11

In order to draw a scatter diagram, we need interval data for

Accepted Answer

A)  one variable 
B)  two variables 
C)  three variables 
D)  four variables 
A)  one variable 
B)  two variables 
C)  three variables 
D)  four variables

Question 12

If two variables have a strong linear relationship, that means one variable is causing the other variable to go up or down.

Accepted Answer

A) True 
 B)False

Question 13

Compare the spread of the two histograms below. Which of the following is true?

Accepted Answer

A)  Data Set A has a larger spread than Data Set B. 
B)  Data Set A has a smaller spread than Data Set B. 
C)  Data Set A has the same spread as Data Set B. 
D)  You cannot compare the spreads of these histograms without the original data. 
A)  Data Set A has a larger spread than Data Set B. 
B)  Data Set A has a smaller spread than Data Set B. 
C)  Data Set A has the same spread as Data Set B. 
D)  You cannot compare the spreads of these histograms without the original data.

Question 14

One of the variables used to help predict unemployment rates is the rate of inflation. Accordingly, we identify rate of inflation as the ____________________ variable, and unemployment rate as the ____________________ variable.

Accepted Answer

independen

Question 15

In purchasing a used computer, there are a number of variables to consider. The age of the computer is an example of a(n) ____________________ variable.

Accepted Answer

interval
q

Question 16

The final grade received in a Literature course (A, B, C, D, or F) is an example of a(n) ____________________ variable.

Accepted Answer

nominal
ca

Question 17

A histogram is said to be ____________________ if, when we draw a vertical line down the center of the histogram, the two sides are identical in shape and size.

Accepted Answer

symmetric

Question 18

The line chart below shows potato prices per pound for each month from January (month 1) to December last year. By looking at this chart you can see the lowest potato prices occurred in ____________________.

Accepted Answer

The answer of The line chart below shows potato prices...

Question 19

Insurance Company: A representative from a local insurance agency selected a random sample of insured homeowners and recorded the number of claims made in the last three years, with the following results:
  
-How many homeowners are represented in the sample?

Accepted Answer

9 + 20 + 1

Question 20

Explain the difference between a histogram and a line chart.

Accepted Answer

A histogram is a dis

The two most important characteristics revealed by the scatter diagram are the strength and direction of the linear relationship.

A line chart that is flat shows no fluctuation in the variable being presented.

A category in a pie chart that contains 50% of the observations is represented by a slice of the pie that is equal to ____________________ degrees.

The intervals (classes) in a histogram are equally wide.

A pie chart shows the ____________________ of individuals that fall into each category.

When two variables are linearly related, and tend to move in opposite directions, we describe the nature of their association as a negative linear relationship.

Explain why religious preference is not an ordinal variable.

Explain the difference between ordinal data and interval data.

Your age group (1-9; 10-19; 20-29; 30-39; etc.) is an interval variable.

In order to draw a scatter diagram, we need interval data for

If two variables have a strong linear relationship, that means one variable is causing the other variable to go up or down.

Compare the spread of the two histograms below. Which of the following is true?

One of the variables used to help predict unemployment rates is the rate of inflation. Accordingly, we identify rate of inflation as the variable, and unemployment rate as the variable.

In purchasing a used computer, there are a number of variables to consider. The age of the computer is an example of a(n) ____________________ variable.

The final grade received in a Literature course (A, B, C, D, or F) is an example of a(n) ____________________ variable.

A histogram is said to be ____________________ if, when we draw a vertical line down the center of the histogram, the two sides are identical in shape and size.

The line chart below shows potato prices per pound for each month from January (month 1) to December last year. By looking at this chart you can see the lowest potato prices occurred in ____________________.

Insurance Company: A representative from a local insurance agency selected a random sample of insured homeowners and recorded the number of claims made in the last three years, with the following results: -How many homeowners are represented in the sample?

Explain the difference between a histogram and a line chart.

What Is Statistics

Numerical Descriptive Techniques

Data Collection and Sampling

Probability

Random Variables and Discrete Probability Distributions

Continuous Probability Distributions

Sampling Distributions

Introduction to Estimation

Introduction to Hypothesis Testing

Inference About a Population

Inference About Comparing Two Populations, Part 1

Inference About Comparing Two Populations, Part 2

Analysis of Variance

Chi-Squared Tests

Simple Linear Regression and Correlation

Multiple Regression

Review of Statistical Inference

Filters

Exam 2: Graphical and Tabular Descriptive Techniques

The two most important characteristics revealed by the scatter diagram are the strength and direction of the linear relationship.

A line chart that is flat shows no fluctuation in the variable being presented.

A category in a pie chart that contains 50% of the observations is represented by a slice of the pie that is equal to ____________________ degrees.

The intervals (classes) in a histogram are equally wide.

A pie chart shows the ____________________ of individuals that fall into each category.

When two variables are linearly related, and tend to move in opposite directions, we describe the nature of their association as a negative linear relationship.

Explain why religious preference is not an ordinal variable.

Explain the difference between ordinal data and interval data.

Your age group (1-9; 10-19; 20-29; 30-39; etc.) is an interval variable.

In order to draw a scatter diagram, we need interval data for

If two variables have a strong linear relationship, that means one variable is causing the other variable to go up or down.

Compare the spread of the two histograms below. Which of the following is true?

One of the variables used to help predict unemployment rates is the rate of inflation. Accordingly, we identify rate of inflation as the ____________________ variable, and unemployment rate as the ____________________ variable.

In purchasing a used computer, there are a number of variables to consider. The age of the computer is an example of a(n) ____________________ variable.

The final grade received in a Literature course (A, B, C, D, or F) is an example of a(n) ____________________ variable.

A histogram is said to be ____________________ if, when we draw a vertical line down the center of the histogram, the two sides are identical in shape and size.

The line chart below shows potato prices per pound for each month from January (month 1) to December last year. By looking at this chart you can see the lowest potato prices occurred in ____________________.

Insurance Company: A representative from a local insurance agency selected a random sample of insured homeowners and recorded the number of claims made in the last three years, with the following results: -How many homeowners are represented in the sample?

Explain the difference between a histogram and a line chart.

What Is Statistics

Numerical Descriptive Techniques

Data Collection and Sampling

Probability

Random Variables and Discrete Probability Distributions

Continuous Probability Distributions

Sampling Distributions

Introduction to Estimation

Introduction to Hypothesis Testing

Inference About a Population

Inference About Comparing Two Populations, Part 1

Inference About Comparing Two Populations, Part 2

Analysis of Variance

Chi-Squared Tests

Simple Linear Regression and Correlation

Multiple Regression

Review of Statistical Inference

Filters

One of the variables used to help predict unemployment rates is the rate of inflation. Accordingly, we identify rate of inflation as the variable, and unemployment rate as the variable.