Question 1

For the following data, what relationship is shown in the graph?

Accepted Answer

A positive

Question 2

Quartiles divide a distribution into 10 equal parts.

Accepted Answer

A) True 
 B)False

Question 3

In a contingency table, we describe the relationship between ________.

Accepted Answer

A) Two variables measured at the ordinal or nominal level 
B) Two variables, one measured as an ordinal variable and the other as a ratio variable 
C) Two variables measured at the interval or ratio level 
D) A variable measure on the interval or ratio level and time 
A) Two variables measured at the ordinal or nominal level 
B) Two variables, one measured as an ordinal variable and the other as a ratio variable 
C) Two variables measured at the interval or ratio level 
D) A variable measure on the interval or ratio level and time

Question 4

What is the value of the Pearson coefficient of skewness for a distribution with a mean of 17, a median of 12, and a standard deviation of 6?

Accepted Answer

A) +2.5 
B) -2.5 
C) +0.83 
D) -0.83 
A) +2.5 
B) -2.5 
C) +0.83 
D) -0.83

Question 5

In a negatively skewed distribution, the coefficient of skewness is ______________.

Accepted Answer

Negative o

Question 6

If a student places in the 99th percentile on an exam, she performed better than 99% of all students who completed the exam. Her performance is similar to a statement based on a __________.

Accepted Answer

A) Frequency table 
B) Cumulative frequency distribution 
C) Histogram 
D) Pie chart 
A) Frequency table 
B) Cumulative frequency distribution 
C) Histogram 
D) Pie chart

Question 7

Quartiles divide a frequency distribution into _______ equal parts.

Accepted Answer

The answer of Quartiles divide a frequency distribution into _______...

Question 8

A scatter diagram shows the ____________ between two interval or ratio variables.

Accepted Answer

The answer of A scatter diagram shows the ____________ between...

Question 9

To locate the percentile for a given observation in a data set, the data must be ___________.

Accepted Answer

A) Sorted and listed from the minimum to the maximum values 
B) Displayed in a histogram 
C) Summarized in a frequency distribution 
D) Distributed symmetrically around the mean 
A) Sorted and listed from the minimum to the maximum values 
B) Displayed in a histogram 
C) Summarized in a frequency distribution 
D) Distributed symmetrically around the mean

Question 10

Percentiles divide a frequency distribution into _________ equal parts.

Accepted Answer

The answer of Percentiles divide a frequency distribution into _________...

Question 11

The "box" in a box plot shows the interquartile range.

Accepted Answer

A) True 
 B)False

Question 12

A dot plot shows ____________.

Accepted Answer

A) The general shape of a distribution 
B) The mean, median, and mode 
C) The relationship between two variables 
D) The interquartile range 
A) The general shape of a distribution 
B) The mean, median, and mode 
C) The relationship between two variables 
D) The interquartile range

For the following data, what relationship is shown in the graph?

Quartiles divide a distribution into 10 equal parts.

In a contingency table, we describe the relationship between ________.

What is the value of the Pearson coefficient of skewness for a distribution with a mean of 17, a median of 12, and a standard deviation of 6?

In a negatively skewed distribution, the coefficient of skewness is ______________.

If a student places in the 99^th percentile on an exam, she performed better than 99% of all students who completed the exam. Her performance is similar to a statement based on a __________.

Quartiles divide a frequency distribution into _______ equal parts.

A scatter diagram shows the ____________ between two interval or ratio variables.

To locate the percentile for a given observation in a data set, the data must be ___________.

Percentiles divide a frequency distribution into _________ equal parts.

The "box" in a box plot shows the interquartile range.

A dot plot shows ____________.

What Is Statistics

Describing Data: Frequency Tables, Frequency Distributions, and Graphic Presentation

Describing Data: Numerical Measures

A Survey of Probability Concepts

Discrete Probability Distributions

Continuous Probability Distributions

Sampling Methods and the Central Limit Theorem

Estimation and Confidence Intervals

One-Sample Tests of Hypothesis

Two-Sample Tests of Hypothesis

Analysis of Variance

Correlation and Linear Regression

Multiple Regression Analysis

Nonparametric Methods: Goodness-Of-Fit Tests

Filters

Exam 4: Describing Data: Displaying and Exploring Data

For the following data, what relationship is shown in the graph?

Quartiles divide a distribution into 10 equal parts.

In a contingency table, we describe the relationship between ________.

What is the value of the Pearson coefficient of skewness for a distribution with a mean of 17, a median of 12, and a standard deviation of 6?

In a negatively skewed distribution, the coefficient of skewness is ______________.

If a student places in the 99th percentile on an exam, she performed better than 99% of all students who completed the exam. Her performance is similar to a statement based on a __________.

Quartiles divide a frequency distribution into _______ equal parts.

A scatter diagram shows the ____________ between two interval or ratio variables.

To locate the percentile for a given observation in a data set, the data must be ___________.

Percentiles divide a frequency distribution into _________ equal parts.

The "box" in a box plot shows the interquartile range.

A dot plot shows ____________.

What Is Statistics

Describing Data: Frequency Tables, Frequency Distributions, and Graphic Presentation

Describing Data: Numerical Measures

A Survey of Probability Concepts

Discrete Probability Distributions

Continuous Probability Distributions

Sampling Methods and the Central Limit Theorem

Estimation and Confidence Intervals

One-Sample Tests of Hypothesis

Two-Sample Tests of Hypothesis

Analysis of Variance

Correlation and Linear Regression

Multiple Regression Analysis

Nonparametric Methods: Goodness-Of-Fit Tests

Filters

If a student places in the 99^th percentile on an exam, she performed better than 99% of all students who completed the exam. Her performance is similar to a statement based on a __________.