Exam 3: Numerical Descriptive Measures

The sample data below shows the number of hours spent by five students over the weekend to prepare for Monday's Business Statistics exam. (See the Excel Data File.) The 75^th percentile of the data is the closest to ________.

(Multiple Choice)

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Question 81

The empirical rule can be used to estimate some proportions ________.

(Multiple Choice)

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Question 82

What is the relationship between the variance and the standard deviation?

(Multiple Choice)

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Question 83

Consider a population with data values of (See the Excel Data File.) The median is ________.

(Multiple Choice)

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Question 84

The following is a list of GPA ranges and frequencies from a high school. Use 1.5 as the midpoint of the 2.0 or less category. (See the Excel Data File.) A) What is the mean GPA? B) What is the sample standard deviation of the GPA? C) Assuming the distribution is bell shaped what percentage of the students would have GPAs between 1.5 and 3.9? Does this make sense given what you know about GPAs?

(Essay)

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Question 85

As of September 30, the earnings per share (EPS) of five firms in the beverages industry are as follows: (See the Excel Data File.) The 25^th percentile and the 75^th percentile of the EPS are the closest to ________.

(Multiple Choice)

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Question 86

The Sharpe ratio measures ________.

(Multiple Choice)

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Question 87

Amounts spent by a sample of 50 customers at a retail store are summarized in the following relative frequency distribution. (See the Excel Data File.) The median amount will fall in the following class interval ________.

(Multiple Choice)

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Question 88

An investor bought common stock of Blackstone Company on several occasions at the following prices. The following frequency distribution represents the number of hours studied per week by a sample of 50 students. (See the Excel Data File.) The average price per share at which the investor bought these shares of common stock was the closest to ________.

(Multiple Choice)

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Question 89

Which of the following statements about the mean absolute deviation (MAD) is the most accurate?

(Multiple Choice)

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Question 90

Suppose the average price for new cars has a mean of $30,100 and a standard deviation of $5,600. Based on this information, what interval of prices would we expect at least 95% of new car prices to fall within?

(Multiple Choice)

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Question 91

The annual returns (in percent) for a sample of stocks in the technology industry over the past year are as follows: (See the Excel Data File.) The sample standard deviation is the closest to ________.

(Multiple Choice)

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Question 92

Three investment options are under consideration for inclusion in a mutual fund. Given that the return on a one-year T-bill is 4.5%, use the Sharpe ratio to select the best option. (See the Excel Data File.)

(Essay)

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Question 93

A box plot is useful when comparing similar information gathered at different places or times.

(True/False)

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Question 94

Mark's grade on the recent business statistics test was an 85 on a scale of 0-100. Based on this information we can conclude that Mark's grade was in the 85^th percentile in his class.

(True/False)

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Question 95

Is it possible for a data set to have no mode?

(Multiple Choice)

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Question 96

The mean return on equity (ROE) for a group of firms in an industry is 15% with a variance of 9%. The coefficient of variation of the industry's ROE is ________.

(Multiple Choice)

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Question 97

The following frequency distribution represents the number of hours studied per week by a sample of 50 students. (See the Excel Data File.) The standard deviation of the number of hours studied is ________.

(Multiple Choice)

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Question 98

When applicable, the empirical rule provides the approximate percentage of observations that fall within

(Multiple Choice)

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Question 99

Consider a population with data values of (See the Excel Data File.) The population mean is ________.

(Multiple Choice)

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Question 100

Showing 81 - 100 of 152

The sample data below shows the number of hours spent by five students over the weekend to prepare for Monday's Business Statistics exam. (See the Excel Data File.) The 75^th percentile of the data is the closest to ________.

The empirical rule can be used to estimate some proportions ________.

What is the relationship between the variance and the standard deviation?

Consider a population with data values of (See the Excel Data File.) The median is ________.

As of September 30, the earnings per share (EPS) of five firms in the beverages industry are as follows: (See the Excel Data File.) The 25^th percentile and the 75^th percentile of the EPS are the closest to ________.

The Sharpe ratio measures ________.

Amounts spent by a sample of 50 customers at a retail store are summarized in the following relative frequency distribution. (See the Excel Data File.) The median amount will fall in the following class interval ________.

Which of the following statements about the mean absolute deviation (MAD) is the most accurate?

Suppose the average price for new cars has a mean of $30,100 and a standard deviation of $5,600. Based on this information, what interval of prices would we expect at least 95% of new car prices to fall within?

The annual returns (in percent) for a sample of stocks in the technology industry over the past year are as follows: (See the Excel Data File.) The sample standard deviation is the closest to ________.

Three investment options are under consideration for inclusion in a mutual fund. Given that the return on a one-year T-bill is 4.5%, use the Sharpe ratio to select the best option. (See the Excel Data File.)

A box plot is useful when comparing similar information gathered at different places or times.

Mark's grade on the recent business statistics test was an 85 on a scale of 0-100. Based on this information we can conclude that Mark's grade was in the 85^th percentile in his class.

Is it possible for a data set to have no mode?

The mean return on equity (ROE) for a group of firms in an industry is 15% with a variance of 9%. The coefficient of variation of the industry's ROE is ________.

The following frequency distribution represents the number of hours studied per week by a sample of 50 students. (See the Excel Data File.) The standard deviation of the number of hours studied is ________.

When applicable, the empirical rule provides the approximate percentage of observations that fall within

Consider a population with data values of (See the Excel Data File.) The population mean is ________.

Statistics and Data

Tabular and Graphical Methods

Introduction to Probability

Discrete Probability Distributions

Continuous Probability Distributions

Sampling and Sampling Distributions

Interval Estimation

Hypothesis Testing

Statistical Inference Concerning Two Populations

Statistical Inference Concerning Variance

Chi-Square Tests

Analysis of Variance

Regression Analysis

Inference With Regression Models

Regression Models for Nonlinear Relationships

Regression Models With Dummy Variables

Time Series and Forecasting

Returns, Index Numbers, and Inflation

Nonparametric Tests

Filters

Exam 3: Numerical Descriptive Measures

The sample data below shows the number of hours spent by five students over the weekend to prepare for Monday's Business Statistics exam. (See the Excel Data File.) The 75th percentile of the data is the closest to ________.

The empirical rule can be used to estimate some proportions ________.

What is the relationship between the variance and the standard deviation?

Consider a population with data values of (See the Excel Data File.) The median is ________.

As of September 30, the earnings per share (EPS) of five firms in the beverages industry are as follows: (See the Excel Data File.) The 25th percentile and the 75th percentile of the EPS are the closest to ________.

The Sharpe ratio measures ________.

Amounts spent by a sample of 50 customers at a retail store are summarized in the following relative frequency distribution. (See the Excel Data File.) The median amount will fall in the following class interval ________.

Which of the following statements about the mean absolute deviation (MAD) is the most accurate?

Suppose the average price for new cars has a mean of $30,100 and a standard deviation of $5,600. Based on this information, what interval of prices would we expect at least 95% of new car prices to fall within?

The annual returns (in percent) for a sample of stocks in the technology industry over the past year are as follows: (See the Excel Data File.) The sample standard deviation is the closest to ________.

Three investment options are under consideration for inclusion in a mutual fund. Given that the return on a one-year T-bill is 4.5%, use the Sharpe ratio to select the best option. (See the Excel Data File.)

A box plot is useful when comparing similar information gathered at different places or times.

Mark's grade on the recent business statistics test was an 85 on a scale of 0-100. Based on this information we can conclude that Mark's grade was in the 85th percentile in his class.

Is it possible for a data set to have no mode?

The mean return on equity (ROE) for a group of firms in an industry is 15% with a variance of 9%. The coefficient of variation of the industry's ROE is ________.

The following frequency distribution represents the number of hours studied per week by a sample of 50 students. (See the Excel Data File.) The standard deviation of the number of hours studied is ________.

When applicable, the empirical rule provides the approximate percentage of observations that fall within

Consider a population with data values of (See the Excel Data File.) The population mean is ________.

Statistics and Data

Tabular and Graphical Methods

Introduction to Probability

Discrete Probability Distributions

Continuous Probability Distributions

Sampling and Sampling Distributions

Interval Estimation

Hypothesis Testing

Statistical Inference Concerning Two Populations

Statistical Inference Concerning Variance

Chi-Square Tests

Analysis of Variance

Regression Analysis

Inference With Regression Models

Regression Models for Nonlinear Relationships

Regression Models With Dummy Variables

Time Series and Forecasting

Returns, Index Numbers, and Inflation

Nonparametric Tests

Filters

The sample data below shows the number of hours spent by five students over the weekend to prepare for Monday's Business Statistics exam. (See the Excel Data File.) The 75^th percentile of the data is the closest to ________.

As of September 30, the earnings per share (EPS) of five firms in the beverages industry are as follows: (See the Excel Data File.) The 25^th percentile and the 75^th percentile of the EPS are the closest to ________.

Mark's grade on the recent business statistics test was an 85 on a scale of 0-100. Based on this information we can conclude that Mark's grade was in the 85^th percentile in his class.