Exam 2: Organization and Description of Data

A die is rolled 16 times, the scores are shown below. a) Find the frequency of even numbers. b) Find the relative frequency of even numbers. Round your answer to three decimal places.

(Short Answer)

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Question 21

According to the empirical guidelines for symmetric bell-shaped distributions, approximately 95% of the data lie within

(True/False)

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Question 22

The following table shows the countries whose teams have won the UEFA Champions League. a) Calculate the relative frequency of each country. Round your answers to three decimal places b) Select the pie chart that better describes the data.

(Short Answer)

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Question 23

The stem-and-leaf display given here shows the final examination scores of students in a statistics course. (Leaf unit = 1.0) $\textbf{ Stem-and-Leaf }$ $\textbf{ Display of Scores }$ $The stem-and-leaf display given here shows the final examination scores of students in a statistics course. (Leaf unit = 1.0) \textbf{ Stem-and-Leaf } \textbf{ Display of Scores } a) Find the median score. b) Find the quartiles Q1 and Q3. c) What proportion of the students scored below 70? Round your answer to three decimal places.$ a) Find the median score. b) Find the quartiles Q1 and Q3. c) What proportion of the students scored below 70? Round your answer to three decimal places.

(Short Answer)

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Question 24

Based on the boxplot, complete the table.

(Essay)

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Question 25

Calculate the mean and the median of the following data set.

(Short Answer)

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Question 26

Let s₁, s₂, and s₃ be the standard deviations of the bell-shaped graphs I, II, and III, respectively. Place them in increasing order.

(Multiple Choice)

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Question 27

Since the median is not affected by a few very small or very large observations, the _ is likely to be a more sensible measure of center than the __.

(Short Answer)

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Question 28

For the data set a) Calculate the deviations (X-X̄) and check to see that they add up to 0. b) Calculate the sample variance and the standard deviation.

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Question 29

In a period of twelve years, the record low temperatures ( $\degree$ F) in Los Angeles CA were: $In a period of twelve years, the record low temperatures ( \degree F) in Los Angeles CA were: Find the dot diagram that corresponds to these data.$ Find the dot diagram that corresponds to these data. $In a period of twelve years, the record low temperatures ( \degree F) in Los Angeles CA were: Find the dot diagram that corresponds to these data.$

(Short Answer)

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Question 30

For the data set calculate s² by using the alternative formula. Round your answer to the nearest tenth.

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Question 31

The number of touchdowns of a college football team is: a) Complete the frequency distribution. b) Select the line diagram that matches the data.

(Essay)

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Question 32

A die is rolled 16 times, the scores are shown below. a) Find the frequency of 5. b) Find the relative frequency of 5. Round your answer to four decimal places.

(Short Answer)

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Question 33

Calculate the quartiles of the following data set.

(Short Answer)

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Question 34

Use the stem-and-leaf display to construct a frequency distribution with intervals 10-12, 13-15, ..., 25-27.

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Question 35

The sum of all deviations equals ________.

(Short Answer)

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Question 36

Three friends eat out together once a week and they split the bill so each pays x dollars. Because the same person always orders much more than the other two, they decide it is much fairer to each pay the median of the three meals. Is there anything wrong with this plan?

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Question 37

A die is rolled 16 times, the scores are shown below. a) Find the frequency of numbers larger than 4. b) Find the relative frequency of numbers larger than 4. Round your answer to four decimal places.

(Short Answer)

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Question 38

Find the interquartile range.

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Question 39

The table below shows the fastest race lap in the F1 Grand Prix in Monza. Make a stem-and-leaf display with a 2-digit stem.

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Question 40

Showing 21 - 40 of 53

A die is rolled 16 times, the scores are shown below. a) Find the frequency of even numbers. b) Find the relative frequency of even numbers. Round your answer to three decimal places.

According to the empirical guidelines for symmetric bell-shaped distributions, approximately 95% of the data lie within

The following table shows the countries whose teams have won the UEFA Champions League. a) Calculate the relative frequency of each country. Round your answers to three decimal places b) Select the pie chart that better describes the data.

Based on the boxplot, complete the table.

Calculate the mean and the median of the following data set.

Let s₁, s₂, and s₃ be the standard deviations of the bell-shaped graphs I, II, and III, respectively. Place them in increasing order.

Since the median is not affected by a few very small or very large observations, the _ is likely to be a more sensible measure of center than the __.

For the data set a) Calculate the deviations (X-X̄) and check to see that they add up to 0. b) Calculate the sample variance and the standard deviation.

For the data set calculate s² by using the alternative formula. Round your answer to the nearest tenth.

The number of touchdowns of a college football team is: a) Complete the frequency distribution. b) Select the line diagram that matches the data.

A die is rolled 16 times, the scores are shown below. a) Find the frequency of 5. b) Find the relative frequency of 5. Round your answer to four decimal places.

Calculate the quartiles of the following data set.

Use the stem-and-leaf display to construct a frequency distribution with intervals 10-12, 13-15, ..., 25-27.

The sum of all deviations equals ________.

Three friends eat out together once a week and they split the bill so each pays x dollars. Because the same person always orders much more than the other two, they decide it is much fairer to each pay the median of the three meals. Is there anything wrong with this plan?

A die is rolled 16 times, the scores are shown below. a) Find the frequency of numbers larger than 4. b) Find the relative frequency of numbers larger than 4. Round your answer to four decimal places.

Find the interquartile range.

The table below shows the fastest race lap in the F1 Grand Prix in Monza. Make a stem-and-leaf display with a 2-digit stem.

Introduction to Statistics

Descriptive Study of Bivariate Data

Probability

Probability Distributions

The Normal Distribution

Variation in Repeated Samplessampling Distributions

Drawing Inferences From Large Samples

Small Sample Inferences for Normal Populations

Comparing Two Treatments

Regression Analysis I

Regression Analysis II Multiple Linear Regression and Other Topics

Analysis of Categorical Data

Analysis of Variance Anova

Nonparametric Inference

Filters

Exam 2: Organization and Description of Data

A die is rolled 16 times, the scores are shown below. a) Find the frequency of even numbers. b) Find the relative frequency of even numbers. Round your answer to three decimal places.

According to the empirical guidelines for symmetric bell-shaped distributions, approximately 95% of the data lie within

The following table shows the countries whose teams have won the UEFA Champions League. a) Calculate the relative frequency of each country. Round your answers to three decimal places b) Select the pie chart that better describes the data.

Based on the boxplot, complete the table.

Calculate the mean and the median of the following data set.

Let s1, s2, and s3 be the standard deviations of the bell-shaped graphs I, II, and III, respectively. Place them in increasing order.

Since the median is not affected by a few very small or very large observations, the _______ is likely to be a more sensible measure of center than the ________.

For the data set a) Calculate the deviations (X-X̄) and check to see that they add up to 0. b) Calculate the sample variance and the standard deviation.

In a period of twelve years, the record low temperatures ( °\degree° F) in Los Angeles CA were: Find the dot diagram that corresponds to these data.

For the data set calculate s2 by using the alternative formula. Round your answer to the nearest tenth.

The number of touchdowns of a college football team is: a) Complete the frequency distribution. b) Select the line diagram that matches the data.

A die is rolled 16 times, the scores are shown below. a) Find the frequency of 5. b) Find the relative frequency of 5. Round your answer to four decimal places.

Calculate the quartiles of the following data set.

Use the stem-and-leaf display to construct a frequency distribution with intervals 10-12, 13-15, ..., 25-27.

The sum of all deviations equals ________.

Three friends eat out together once a week and they split the bill so each pays x dollars. Because the same person always orders much more than the other two, they decide it is much fairer to each pay the median of the three meals. Is there anything wrong with this plan?

A die is rolled 16 times, the scores are shown below. a) Find the frequency of numbers larger than 4. b) Find the relative frequency of numbers larger than 4. Round your answer to four decimal places.

Find the interquartile range.

The table below shows the fastest race lap in the F1 Grand Prix in Monza. Make a stem-and-leaf display with a 2-digit stem.

Introduction to Statistics

Descriptive Study of Bivariate Data

Probability

Probability Distributions

The Normal Distribution

Variation in Repeated Samplessampling Distributions

Drawing Inferences From Large Samples

Small Sample Inferences for Normal Populations

Comparing Two Treatments

Regression Analysis I

Regression Analysis II Multiple Linear Regression and Other Topics

Analysis of Categorical Data

Analysis of Variance Anova

Nonparametric Inference

Filters

Let s₁, s₂, and s₃ be the standard deviations of the bell-shaped graphs I, II, and III, respectively. Place them in increasing order.

Since the median is not affected by a few very small or very large observations, the _ is likely to be a more sensible measure of center than the __.

For the data set calculate s² by using the alternative formula. Round your answer to the nearest tenth.