Exam 4: Describing Data: Displaying and Exploring Data

The following stem and leaf display reports the number of boats shipped per week by Ottertail Boats, Inc. 11| 1 5 9 12| 0 1 2 2 6 9 13| 0 1 2 3 4 5 5 7 8 8 9 14| 2 6 8 15| 0 1 2 4 5 7 8 9 16| 1 5 7 9 List the actual values in the fourth class. ________________

(Short Answer)

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Question 81

A dot plot is an easy way to represent the relationship between two variables.

(True/False)

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Question 82

In the following set of data, what are the first, second, and third quartiles? 1 3 5 6 7 9 100

(Multiple Choice)

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Question 83

The following stem and leaf display reports the number of boats shipped per week by Ottertail Boats, Inc. 11| 1 5 9 12| 0 1 2 2 6 9 13| 0 1 2 3 4 5 5 7 8 8 9 14| 2 6 8 15| 0 1 2 4 5 7 8 9 16| 1 5 7 9 How many weeks were included in the study? _____________

(Short Answer)

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Question 84

A box plot graphically shows the 10^th and 90^th percentiles.

(True/False)

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Question 85

Outliers are clearly presented in a

(Multiple Choice)

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Question 86

The 50^th percentile of a distribution is the same as the distribution mean.

(True/False)

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Question 87

What type of graph clearly shows outliers? ___________

(Short Answer)

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Question 88

The coefficient of skewness is the standard deviation divided by the mean.

(True/False)

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Question 89

Quartiles divide a frequency distribution into _______ equal parts.

(Short Answer)

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Question 90

What types of variables are summarized in a contingency table? ____________

(Short Answer)

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Question 91

A contingency table would be used to summarize data such as

(Multiple Choice)

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Question 92

A dot plot shows the relative symmetry of a distribution.

(True/False)

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Question 93

A sample of the homes currently offered for sale revealed that the mean asking price is $75,900, the median $70,100 and the modal price is $67,200. The standard deviation of the distribution is $5,900. What is the Pearson's coefficient of skewness? __________

(Short Answer)

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Question 94

For the following data, find the information required to construct a box plot.

(Essay)

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Question 95

What is the best way to display the relationship between two variables measured on an interval or ratio level? _________

(Short Answer)

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Question 96

Given the sample information in the following table regarding public opinion on gun control, who is more likely to favor gun control?

(Essay)

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Question 97

The following stem and leaf display reports the number of boats shipped per week by Ottertail Boats, Inc. 11| 1 5 9 12| 0 1 2 2 6 9 13| 0 1 2 3 4 5 5 7 8 8 9 14| 2 6 8 15| 0 1 2 4 5 7 8 9 16| 1 5 7 9 What are the smallest and largest values? ____________

(Short Answer)

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Question 98

The following graph is a

(Multiple Choice)

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Question 99

The lengths of stay on the cancer floor of Community Hospital were organized into a frequency distribution. The mean length was 28 days, the median 25 days and the modal length 23 days. The standard deviation was computed to be 4.2 days. What is the Pearson's coefficient of skewness? __________

(Short Answer)

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Question 100

Showing 81 - 100 of 108

The following stem and leaf display reports the number of boats shipped per week by Ottertail Boats, Inc. 11| 1 5 9 12| 0 1 2 2 6 9 13| 0 1 2 3 4 5 5 7 8 8 9 14| 2 6 8 15| 0 1 2 4 5 7 8 9 16| 1 5 7 9 List the actual values in the fourth class. ________________

A dot plot is an easy way to represent the relationship between two variables.

In the following set of data, what are the first, second, and third quartiles? 1 3 5 6 7 9 100

The following stem and leaf display reports the number of boats shipped per week by Ottertail Boats, Inc. 11| 1 5 9 12| 0 1 2 2 6 9 13| 0 1 2 3 4 5 5 7 8 8 9 14| 2 6 8 15| 0 1 2 4 5 7 8 9 16| 1 5 7 9 How many weeks were included in the study? _____________

A box plot graphically shows the 10^th and 90^th percentiles.

Outliers are clearly presented in a

The 50^th percentile of a distribution is the same as the distribution mean.

What type of graph clearly shows outliers? ___________

The coefficient of skewness is the standard deviation divided by the mean.

Quartiles divide a frequency distribution into _______ equal parts.

What types of variables are summarized in a contingency table? ____________

A contingency table would be used to summarize data such as

A dot plot shows the relative symmetry of a distribution.

A sample of the homes currently offered for sale revealed that the mean asking price is $75,900, the median $70,100 and the modal price is $67,200. The standard deviation of the distribution is $5,900. What is the Pearson's coefficient of skewness? __________

For the following data, find the information required to construct a box plot.

What is the best way to display the relationship between two variables measured on an interval or ratio level? _________

Given the sample information in the following table regarding public opinion on gun control, who is more likely to favor gun control?

The following stem and leaf display reports the number of boats shipped per week by Ottertail Boats, Inc. 11| 1 5 9 12| 0 1 2 2 6 9 13| 0 1 2 3 4 5 5 7 8 8 9 14| 2 6 8 15| 0 1 2 4 5 7 8 9 16| 1 5 7 9 What are the smallest and largest values? ____________

The following graph is a

The lengths of stay on the cancer floor of Community Hospital were organized into a frequency distribution. The mean length was 28 days, the median 25 days and the modal length 23 days. The standard deviation was computed to be 4.2 days. What is the Pearson's coefficient of skewness? __________

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

Index Numbers

Time Series and Forecasting

Nonparametric Methods: Goodness-Of-Fit Tests

Nonparametric Methods: Analysis of Ranked Data

Statistical Process Control and Quality Management

An Introduction to Decision Theory

Filters

Exam 4: Describing Data: Displaying and Exploring Data

The following stem and leaf display reports the number of boats shipped per week by Ottertail Boats, Inc. 11| 1 5 9 12| 0 1 2 2 6 9 13| 0 1 2 3 4 5 5 7 8 8 9 14| 2 6 8 15| 0 1 2 4 5 7 8 9 16| 1 5 7 9 List the actual values in the fourth class. ________________

A dot plot is an easy way to represent the relationship between two variables.

In the following set of data, what are the first, second, and third quartiles? 1 3 5 6 7 9 100

The following stem and leaf display reports the number of boats shipped per week by Ottertail Boats, Inc. 11| 1 5 9 12| 0 1 2 2 6 9 13| 0 1 2 3 4 5 5 7 8 8 9 14| 2 6 8 15| 0 1 2 4 5 7 8 9 16| 1 5 7 9 How many weeks were included in the study? _____________

A box plot graphically shows the 10th and 90th percentiles.

Outliers are clearly presented in a

The 50th percentile of a distribution is the same as the distribution mean.

What type of graph clearly shows outliers? ___________

The coefficient of skewness is the standard deviation divided by the mean.

Quartiles divide a frequency distribution into _______ equal parts.

What types of variables are summarized in a contingency table? ____________

A contingency table would be used to summarize data such as

A dot plot shows the relative symmetry of a distribution.

A sample of the homes currently offered for sale revealed that the mean asking price is $75,900, the median $70,100 and the modal price is $67,200. The standard deviation of the distribution is $5,900. What is the Pearson's coefficient of skewness? __________

For the following data, find the information required to construct a box plot.

What is the best way to display the relationship between two variables measured on an interval or ratio level? _________

Given the sample information in the following table regarding public opinion on gun control, who is more likely to favor gun control?

The following stem and leaf display reports the number of boats shipped per week by Ottertail Boats, Inc. 11| 1 5 9 12| 0 1 2 2 6 9 13| 0 1 2 3 4 5 5 7 8 8 9 14| 2 6 8 15| 0 1 2 4 5 7 8 9 16| 1 5 7 9 What are the smallest and largest values? ____________

The following graph is a

The lengths of stay on the cancer floor of Community Hospital were organized into a frequency distribution. The mean length was 28 days, the median 25 days and the modal length 23 days. The standard deviation was computed to be 4.2 days. What is the Pearson's coefficient of skewness? __________

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

Index Numbers

Time Series and Forecasting

Nonparametric Methods: Goodness-Of-Fit Tests

Nonparametric Methods: Analysis of Ranked Data

Statistical Process Control and Quality Management

An Introduction to Decision Theory

Filters

A box plot graphically shows the 10^th and 90^th percentiles.

The 50^th percentile of a distribution is the same as the distribution mean.