A grocery store's monthly sales (in thousands of dollars)for the last year was as follows: \[\begin{array} { | l | c | c | c | c | c | c | c | c | c | c | c | c | } \hline \begin{array} { l } \text { Munt } \\ \mathrm { h } \end{array} & 1 & 2 & 3 & 4 & 5 & 6 & 7 & 8 & 9 & 10 & 11 & 12 \\ \hline \text { Sale5 } & 7 & 74 & 83 & 87 & 85 & 93 & 100 & 105 & 103 & 89 & 78 & 94 \\ \hline \end{array}\] Construct a line graph for these data.

The answer of A grocery store's monthly sales (in thousands...

Exam 2: Visual Description of Data

A medical statistician wanted to examine the relationship between the amount of sunshine (x)and incidence of skin cancer (y).As an experiment he found the number of skin cancers detected per 100,000 of population and the average daily sunshine in eight counties around the country.These data are shown below. Average Daily Sunshine 5 7 6 7 9 6 4 3 Sikin Cancer per 100,000 7 11 9 12 15 10 7 5 Draw a scatter plot and find the least squares regression line. $\hat{\mathrm{y}}=$ ____________________

(Essay)

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Question 21

The class interval is the:

(Multiple Choice)

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Question 22

Discuss the importance of choosing a symbol for a pictogram.

(Essay)

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Question 23

Differentiate between a positive linear relationship and a negative linear relationship between variables.

(Essay)

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Question 24

The ____________________ describes a frequency distribution by using a series of adjacent rectangles with no gaps in-between,each of which has the length that is proportional to the frequency of the observations within the range of values it represents.

(Short Answer)

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Question 25

The __________ consists of line segments connecting the points formed by the intersections of the class marks with the class frequencies.

(Multiple Choice)

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Question 26

The __________ is a graphical display providing cumulative values for frequencies,relative frequencies,or percentages.

(Multiple Choice)

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Question 27

A relative frequency distribution describes the or of data values that fall within each category.

(Short Answer)

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Question 28

The following stem-and-leaf output has been generated by Minitab.This data has a negative mode. Stem-and-leaf of $\mathrm { C } 2 \quad \mathrm {~N} = 75$ Leaf Unit $= 0.01$ 1 -2 6 2 -2 0 5 -1 555 8 -1 420 22 -0 99999887777665 36 -0 44322111111000 (14) 0 01122233333344 25 0 66678889999 14 1 0022222334 4 1 56 2 2 03

(True/False)

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Question 29

To more concisely communicate the information contained,raw data can be visually represented and expressed in terms of statistical summary measures.

(True/False)

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Question 30

The cumulative frequency distribution describes the

(Multiple Choice)

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Question 31

The grades on a statistics exam for a sample of 40 students are as follows: 63 74 42 65 51 54 36 56 68 62 64 76 67 79 61 81 77 59 84 68 71 94 71 86 69 75 91 48 82 83 54 79 62 68 58 41 Construct frequency and relative frequency distributions for the data using seven class intervals.

(Essay)

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Question 32

Class limits are the:

(Multiple Choice)

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Question 33

Which of the following techniques are applicable to quantitative data?

(Multiple Choice)

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Question 34

In the stem-and-leaf display,data are represented as:

(Multiple Choice)

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Question 35

What is the relationship between a frequency distribution and a histogram?

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Question 36

The appropriate methods for representing the data do not depend on whether the variable of interest is quantitative or qualitative.

(True/False)

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Question 37

A grocery store's monthly sales (in thousands of dollars)for the last year was as follows: Munt 1 2 3 4 5 6 7 8 9 10 11 12 Sale5 7 74 83 87 85 93 100 105 103 89 78 94 Construct a line graph for these data.

(Essay)

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Question 38

Voters participating in a recent election exit poll in Michigan were asked to state their political party affiliation.Coding the data 1 for Democrat,2 for Republican and 3 for Independent,the data collected were as follows: 1,1,2,3,1,2,3,2,1,2,3,2,1,1,3,2,1,1,1,2,3,2,1,1,3 Develop a frequency distribution and proportion distribution for the data.What does the data suggest about the strength of the political parties in Michigan?

(Essay)

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Question 39

In a scatter diagram,data are represented as:

(Multiple Choice)

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Question 40

The class interval is the:

Discuss the importance of choosing a symbol for a pictogram.

Differentiate between a positive linear relationship and a negative linear relationship between variables.

The ____________________ describes a frequency distribution by using a series of adjacent rectangles with no gaps in-between,each of which has the length that is proportional to the frequency of the observations within the range of values it represents.

The __________ consists of line segments connecting the points formed by the intersections of the class marks with the class frequencies.

The __________ is a graphical display providing cumulative values for frequencies,relative frequencies,or percentages.

A relative frequency distribution describes the or of data values that fall within each category.

To more concisely communicate the information contained,raw data can be visually represented and expressed in terms of statistical summary measures.

The cumulative frequency distribution describes the

The grades on a statistics exam for a sample of 40 students are as follows: 63 74 42 65 51 54 36 56 68 62 64 76 67 79 61 81 77 59 84 68 71 94 71 86 69 75 91 48 82 83 54 79 62 68 58 41 Construct frequency and relative frequency distributions for the data using seven class intervals.

Class limits are the:

Which of the following techniques are applicable to quantitative data?

In the stem-and-leaf display,data are represented as:

What is the relationship between a frequency distribution and a histogram?

The appropriate methods for representing the data do not depend on whether the variable of interest is quantitative or qualitative.

A grocery store's monthly sales (in thousands of dollars)for the last year was as follows: Munt 1 2 3 4 5 6 7 8 9 10 11 12 Sale5 7 74 83 87 85 93 100 105 103 89 78 94 Construct a line graph for these data.

In a scatter diagram,data are represented as:

A Preview of Business Statistics

Statistical Description of Data

Data Collection and Sampling Methods

Probability: Review of Basic Concepts

Discrete Probability Distributions

Continuous Probability Distributions

Sampling Distributions

Estimation From Sample Data

Hypothesis Tests Involving a Sample Mean or Proportion

Hypothesis Tests Involving Two Sample Means

Analysis of Variance Tests

Chi-Square Applications

Nonparametric Methods

Simple Linear Regression and Correlation

Multiple Regression and Correlation

Model Building

Models for Time Series and Forecasting

Decision Theory

Total Quality Management

Filters

Exam 2: Visual Description of Data

The class interval is the:

Discuss the importance of choosing a symbol for a pictogram.

Differentiate between a positive linear relationship and a negative linear relationship between variables.

The ____________________ describes a frequency distribution by using a series of adjacent rectangles with no gaps in-between,each of which has the length that is proportional to the frequency of the observations within the range of values it represents.

The __________ consists of line segments connecting the points formed by the intersections of the class marks with the class frequencies.

The __________ is a graphical display providing cumulative values for frequencies,relative frequencies,or percentages.

A relative frequency distribution describes the____________________ or ____________________ of data values that fall within each category.

To more concisely communicate the information contained,raw data can be visually represented and expressed in terms of statistical summary measures.

The cumulative frequency distribution describes the

The grades on a statistics exam for a sample of 40 students are as follows: 63 74 42 65 51 54 36 56 68 62 64 76 67 79 61 81 77 59 84 68 71 94 71 86 69 75 91 48 82 83 54 79 62 68 58 41 Construct frequency and relative frequency distributions for the data using seven class intervals.

Class limits are the:

Which of the following techniques are applicable to quantitative data?

In the stem-and-leaf display,data are represented as:

What is the relationship between a frequency distribution and a histogram?

The appropriate methods for representing the data do not depend on whether the variable of interest is quantitative or qualitative.

A grocery store's monthly sales (in thousands of dollars)for the last year was as follows: Munt 1 2 3 4 5 6 7 8 9 10 11 12 Sale5 7 74 83 87 85 93 100 105 103 89 78 94 Construct a line graph for these data.

In a scatter diagram,data are represented as:

A Preview of Business Statistics

Statistical Description of Data

Data Collection and Sampling Methods

Probability: Review of Basic Concepts

Discrete Probability Distributions

Continuous Probability Distributions

Sampling Distributions

Estimation From Sample Data

Hypothesis Tests Involving a Sample Mean or Proportion

Hypothesis Tests Involving Two Sample Means

Analysis of Variance Tests

Chi-Square Applications

Nonparametric Methods

Simple Linear Regression and Correlation

Multiple Regression and Correlation

Model Building

Models for Time Series and Forecasting

Decision Theory

Total Quality Management

Filters

A relative frequency distribution describes the or of data values that fall within each category.