Identify the cumulative frequency distribution that corresponds to the given frequency distribution. $\begin{array}{r|c} \text { Speed } & \begin{array}{c} \text { Number } \\ \text { of Cars } \end{array} \\ \hline 0-29 & 4 \\ 30-59 & 16 \\ 60-89 & 60 \\ 90-119 & 20 \end{array}$

A) $\begin{array}{r|c} \text { Speed } & \begin{array}{c} \text { Cumulative } \\ \text { Frequency } \end{array} \\ \hline \text { Less than 30 } & 0.04 \\ \text { Less than 60 } & 0.20 \\ \text { Less than } 90 & 0.80 \\ \text { Less than } 120 & 1.00 \end{array}$ B) $\begin{array}{r|c} \text { Speed } & \begin{array}{c} \text { Cumulative } \\ \text { Frequency } \end{array} \\ \hline \text { Less than 30 } & 4 \\ \text { Less than 60 } & 20 \\ \text { Less than } 90 & 80 \\ \text { Less than } 120 & 100 \end{array}$ C) $\begin{array}{r|c} \text { Speed } & \begin{array}{c} \text { Cumulative } \\ \text { Frequency } \end{array} \\ \hline 0-29 & 4 \\ 30-59 & 20 \\ 60-89 & 80 \\ 90-119 & 100 \end{array}$ D) $\begin{array}{r|c} \text { Speed } & \begin{array}{c} \text { Cumulative } \\ \text { Frequency } \end{array} \\ \hline \text { Less than 30 } & 100 \\ \text { Less than 60 } & 80 \\ \text { Less than 90 } & 82 \\ \text { Less than } 120 & 4 \end{array}$ A) $\begin{array}{r|c} \text { Speed } & \begin{array}{c} \text { Cumulative } \\ \text { Frequency } \end{array} \\ \hline \text { Less than 30 } & 0.04 \\ \text { Less than 60 } & 0.20 \\ \text { Less than } 90 & 0.80 \\ \text { Less than } 120 & 1.00 \end{array}$ B) $\begin{array}{r|c} \text { Speed } & \begin{array}{c} \text { Cumulative } \\ \text { Frequency } \end{array} \\ \hline \text { Less than 30 } & 4 \\ \text { Less than 60 } & 20 \\ \text { Less than } 90 & 80 \\ \text { Less than } 120 & 100 \end{array}$ C) $\begin{array}{r|c} \text { Speed } & \begin{array}{c} \text { Cumulative } \\ \text { Frequency } \end{array} \\ \hline 0-29 & 4 \\ 30-59 & 20 \\ 60-89 & 80 \\ 90-119 & 100 \end{array}$ D) $\begin{array}{r|c} \text { Speed } & \begin{array}{c} \text { Cumulative } \\ \text { Frequency } \end{array} \\ \hline \text { Less than 30 } & 100 \\ \text { Less than 60 } & 80 \\ \text { Less than 90 } & 82 \\ \text { Less than } 120 & 4 \end{array}$

The attendance counts for this season's basketball games are listed below. Which of these choices display the correct stemplot? $\begin{array} { l l l l } 227 & 239 & 215 & 219 \end{array}$ $\begin{array} { l l l l } 221 & 233 & 229 & 233 \end{array}$ $\begin{array} { l l l l } 235 & 228 & 245 & 231 \end{array}$

A) $\begin{array} { l | l } 21 & 59 \\ 22 & 17789 \\ 23 & 133559 \\ 24 & 5 \end{array}$ B) $\begin{array} { l | l l l l l } 21 & 5 & 7 & 9 & & \\ 22 & 1 & 8 & 9 & & \\ 23 & 1 & 3 & 3 & 5 & 9 \\ 24 & 5 & & & \end{array}$ A) $\begin{array} { l | l } 21 & 59 \\ 22 & 17789 \\ 23 & 133559 \\ 24 & 5 \end{array}$ B) $\begin{array} { l | l l l l l } 21 & 5 & 7 & 9 & & \\ 22 & 1 & 8 & 9 & & \\ 23 & 1 & 3 & 3 & 5 & 9 \\ 24 & 5 & & & \end{array}$

The following frequency distribution analyzes the scores on a math test. Find the class boundaries of scores interval 90-99. \[\begin{array} { c c } \hline \text { Scores } & \text { Number of Students } \\ \hline 50 - 59 & 2 \\ 60 - 69 & 4 \\ 70 - 79 & 6 \\ 80 - 89 & 15 \\ 90 - 99 & 5 \\ \hline \end{array}\]

A) 89.5, 100.5 B) 89.5 , 100.5 C) 90.5 , 99.5 D) 89.5, 99.5 A) 89.5, 100.5 B) 89.5 , 100.5 C) 90.5 , 99.5 D) 89.5, 99.5

Use the high closing values of Statstar Inc. stock from the years 2005-2016 to construct a_ time-series graph. (Let x = 0 represent 2005 and so on.)Identify a trend. \[\begin{array} { c | c | c | c } \text { Year } & \text { High } & \text { Year } & \text { High } \\ \hline 2005 & 48 & 2011 & 62 \\ 2006 & 53 & 2012 & 60 \\ 2007 & 47 & 2013 & 68 \\ 2008 & 55 & 2014 & 42 \\ 2009 & 58 & 2015 & 51 \\ 2010 & 61 & 2016 & 78 \end{array}\]

Triserend th: rouAnswers gh 201will 3, a

The following data show the number of laps run by each participant in a marathon._ $\begin{array} { l l l l l l l l l l l l } 46 & 65 & 55 & 43 & 51 & 48 & 57 & 30 & 43 & 49 & 32 & 56 \end{array}$ Which of these choices display the correct stemplot?

A) $\begin{array}{l|ll} 3 & 02 & \\ 4 & 33689 \\ 4 & 1567 \\ 6 & 5 \end{array}$ B) $\begin{array}{l|ll} 3 & 02 & \\ 4 & 3689 \\ 4 & 13567 \\ 6 & 5 \end{array}$ A) $\begin{array}{l|ll} 3 & 02 & \\ 4 & 33689 \\ 4 & 1567 \\ 6 & 5 \end{array}$ B) $\begin{array}{l|ll} 3 & 02 & \\ 4 & 3689 \\ 4 & 13567 \\ 6 & 5 \end{array}$

The ages of the 45 members of a track and field team are listed below. Which of these_ choices display the correct stemplot? $\begin{array} { l l l l l l l l l l l l l l l } 21 & 18 & 42 & 35 & 32 & 21 & 44 & 25 & 38 & 48 & 14 & 19 & 23 & 22 & 28 \end{array}$ $\begin{array} { l l l l l l l l l l l l l l l } 32 & 34 & 27 & 31 & 17 & 16 & 41 & 37 & 22 & 24 & 33 & 32 & 21 & 26 & 30 \end{array}$ $\begin{array} { l l l l l l l l l l l l l l l } 22 & 27 & 32 & 30 & 20 & 18 & 17 & 21 & 15 & 26 & 36 & 31 & 40 & 16 & 25 \end{array}$

A) $\begin{array}{l|llll} 1 & 4 & & &\\ 1&5&6&6&7&7&8&8&9\\ 2&0&1&1&1&1&2&2&2&3&4\\ 2&5&5&6&6&7&7&8\\ 3&0&0&1&1&2&2&2&2&3&4\\ 3&5&6&7&8\\ 4&0&1&2&4\\ 4&8 \end{array}$ B) $\begin{array}{l|llll} 1 & 4 & & &\\ 1&5&6&6&7&7&8&8&9\\ 2&0&1&1&1&1&2&2&2&3&4&5\\ 2&5&5&6&6&7&7&8\\ 3&0&0&1&1&2&2&2&2&3&4&5\\ 3&5&6&7&8\\ 4&0&1&2&4\\ 4&8 \end{array}$ A) $\begin{array}{l|llll} 1 & 4 & & &\\ 1&5&6&6&7&7&8&8&9\\ 2&0&1&1&1&1&2&2&2&3&4\\ 2&5&5&6&6&7&7&8\\ 3&0&0&1&1&2&2&2&2&3&4\\ 3&5&6&7&8\\ 4&0&1&2&4\\ 4&8 \end{array}$ B) $\begin{array}{l|llll} 1 & 4 & & &\\ 1&5&6&6&7&7&8&8&9\\ 2&0&1&1&1&1&2&2&2&3&4&5\\ 2&5&5&6&6&7&7&8\\ 3&0&0&1&1&2&2&2&2&3&4&5\\ 3&5&6&7&8\\ 4&0&1&2&4\\ 4&8 \end{array}$

Which of the following cumulative frequency distribution corresponds to the given frequency distribution? $\begin{array}{r|c} \text { Weight (oz) } & \begin{array}{l} \text { Number } \\ \text { of Stones } \end{array} \\ \hline 1.2-1.6 & 5 \\ 1.7-2.1 & 2 \\ 2.2-2.6 & 5 \\ 2.7-3.1 & 5 \\ 3.2-3.6 & 13 \end{array}$

A) $\begin{array}{r|c} & \begin{array}{c} \text { Cumulative } \\ \text { Weight (oz) } \end{array} \\ \hline \text { Frequency } \\ \hline 1.2-1.6 & 5 \\ 1.7-2.1 & 7 \\ 2.2-2.6 & 12 \\ 2.7-3.1 & 17 \\ 3.2-3.6 & 30 \end{array}$ B) $\begin{array} { c | c } \text { Weight (oz) } & \begin{array} { c } \text { Cumulative } \\ \text { Frequency } \end{array} \\ \hline \text { Less than } 2.2 & 7 \\ \text { Less than } 3.2 & 17 \\ \text { Less than } 3.7 & 30 \end{array}$ C) $\begin{array}{r|c} \text { Weight (oz) } & \begin{array}{c} \text { Cumulative } \\ \text { Frequency } \end{array} \\ \hline \text { Less than 1.7 } & 5 \\ \text { Less than } 2.2 & 7 \\ \text { Less than } 2.7 & 12 \\ \text { Less than } 3.2 & 17 \\ \text { Less than } 3.7 & 30 \end{array}$ D) $\begin{array}{c|c} \text { Weight (oz) } & \begin{array}{c} \text { Cumulative } \\ \text { Frequency } \end{array} \\ \hline \text { Less than 1.7 } & 5 \\ \text { Less than } 2.2 & 7 \\ \text { Less than } 2.7 & 12 \\ \text { Less than } 3.2 & 17 \\ \text { Less than } 3.7 & 28 \end{array}$ A) $\begin{array}{r|c} & \begin{array}{c} \text { Cumulative } \\ \text { Weight (oz) } \end{array} \\ \hline \text { Frequency } \\ \hline 1.2-1.6 & 5 \\ 1.7-2.1 & 7 \\ 2.2-2.6 & 12 \\ 2.7-3.1 & 17 \\ 3.2-3.6 & 30 \end{array}$ B) $\begin{array} { c | c } \text { Weight (oz) } & \begin{array} { c } \text { Cumulative } \\ \text { Frequency } \end{array} \\ \hline \text { Less than } 2.2 & 7 \\ \text { Less than } 3.2 & 17 \\ \text { Less than } 3.7 & 30 \end{array}$ C) $\begin{array}{r|c} \text { Weight (oz) } & \begin{array}{c} \text { Cumulative } \\ \text { Frequency } \end{array} \\ \hline \text { Less than 1.7 } & 5 \\ \text { Less than } 2.2 & 7 \\ \text { Less than } 2.7 & 12 \\ \text { Less than } 3.2 & 17 \\ \text { Less than } 3.7 & 30 \end{array}$ D) $\begin{array}{c|c} \text { Weight (oz) } & \begin{array}{c} \text { Cumulative } \\ \text { Frequency } \end{array} \\ \hline \text { Less than 1.7 } & 5 \\ \text { Less than } 2.2 & 7 \\ \text { Less than } 2.7 & 12 \\ \text { Less than } 3.2 & 17 \\ \text { Less than } 3.7 & 28 \end{array}$

The frequency distribution below summarizes employee years of service for Alpha Corporation. Determine the width of each class. \[\begin{array} { c | c } \text { Years of Service } & \text { Frequency } \\ \hline 1 - 5 & 5 \\ 6 - 10 & 20 \\ 11 - 15 & 25 \\ 16 - 20 & 10 \\ 21 - 25 & 5 \\ 26 - 30 & 3 \end{array}\]

A) 5 years B) 6 years C) 4 years D) 10 years A) 5 years B) 6 years C) 4 years D) 10 years

Exam 2: Exploring Data With Tables and Graphs

The following data set represents Heather's average monthly charges (in $)for cable TV for the past 12 months. 105 125 110 98 102 115 110 123 118 101 95 128 Construct a frequency distribution with 4 classes. Charges Frequency

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$\begin{array} { c | c } \text { Charges \$ } & \text { Frequency } \\\hline 100 & 2 \\110 & 5 \\120 & 2 \\130 & 3\end{array}$

Smoking and the episodes of lung cancer have a high correlation, but it does not prove _________.

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A

The frequency distribution below summarizes the home sale prices in the city of Summerhill for the month of June. Determine the class width, class midpoint, and the class boundaries for the class 235.0-265.9. $\begin{array} { c | c } \text { Sale Price (in thousand \$) } & \text { Frequency } \\\hline 80.0 - 110.9 & 2 \\111.0 - 141.9 & 5 \\142.0 - 172.9 & 7 \\173.0 - 203.9 & 10 \\204.0 - 234.9 & 3 \\235.0 - 265.9 & 1\end{array}$

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Question 15

A nurse measured the blood pressure of each person who visited her clinic. Following is a_ relative-frequency histogram for the systolic blood pressure readings for those people Aged between 25 and 40 years. The blood pressure readings were given to the nearest Whole number. Approximately what percentage of the people aged 25 -40 had a systolic Blood pressure reading between 110 and 139 mm Hg inclusive? Systolic Blood Pressure for People Aged 25 - 40 Years

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Question 16

The histogram below represents the number of television sets per household for a sample of U.S. households. What is the sample size? Number of Television Sets Per U.S. Household

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Question 17

The frequency distribution below summarizes employee years of service for Alpha Corporation. Determine the width of each class. Years of Service Frequency 1-5 5 6-10 20 11-15 25 16-20 10 21-25 5 26-30 3

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Question 18

A nurse measured the blood pressure of each person who visited her clinic. Following is a_ relative-frequency histogram for the systolic blood pressure readings for those people Aged between 25 and 40 years. The blood pressure readings were given to the nearest Whole number. Approximately what percentage of the people aged 25 -40 had a systolic Blood pressure reading between 110 and 119 mm Hg inclusive? Systolic Blood Pressure for People Aged 25 - 40 Years

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Question 19

Explain in your own words why a bar graph can be misleading if one or both of the scales begin at some value other than zero.

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Question 20

The following data set represents Heather's average monthly charges (in $)for cable TV for the past 12 months. 105 125 110 98 102 115 110 123 118 101 95 128 Construct a frequency distribution with 4 classes. Charges Frequency

Smoking and the episodes of lung cancer have a high correlation, but it does not prove _________.

Identify the cumulative frequency distribution that corresponds to the given frequency distribution. Speed Number of Cars 0-29 4 30-59 16 60-89 60 90-119 20

The following figures represent Latisha's monthly charges (in $)for long distance telephone_ calls for the past twelve months. 7.12 10.40 14.70 18.24 10.48 16.47 7.53 15.45 13.04 15.48 13.33 12.56 Construct a frequency distribution with four classes. Charges \ Frequency

The attendance counts for this season's basketball games are listed below. Which of these choices display the correct stemplot? 227 239 215 219 221 233 229 233 235 228 245 231

The following frequency distribution analyzes the scores on a math test. Find the class boundaries of scores interval 90-99. Scores Number of Students 50-59 2 60-69 4 70-79 6 80-89 15 90-99 5

According to USA Today, the largest categories of sports equipment sales are as follows:_ fishing ($2.0 billion); firearms and hunting ($3.1 billion); camping ($1.7 billion); golf ($2.5 Billion). What type of graph would depict these different categories and their relative Amounts the best?

Use the high closing values of Statstar Inc. stock from the years 2005-2016 to construct a_ time-series graph. (Let x = 0 represent 2005 and so on.)Identify a trend. Year High Year High 2005 48 2011 62 2006 53 2012 60 2007 47 2013 68 2008 55 2014 42 2009 58 2015 51 2010 61 2016 78

The following data show the number of laps run by each participant in a marathon._ 46 65 55 43 51 48 57 30 43 49 32 56 Which of these choices display the correct stemplot?

Suppose that a data set has a minimum value of 24 and a maximum of 79 and that you want 5 classes. Explain how to find the class width for this frequency table. What happens if you mistakenly use a class width of 11 instead of 12?

The ages of the 45 members of a track and field team are listed below. Which of these_ choices display the correct stemplot? 21 18 42 35 32 21 44 25 38 48 14 19 23 22 28 32 34 27 31 17 16 41 37 22 24 33 32 21 26 30 22 27 32 30 20 18 17 21 15 26 36 31 40 16 25

Which of the following cumulative frequency distribution corresponds to the given frequency distribution? Weight (oz) Number of Stones 1.2-1.6 5 1.7-2.1 2 2.2-2.6 5 2.7-3.1 5 3.2-3.6 13

The histogram below represents the number of television sets per household for a sample of U.S. households. What is the sample size? Number of Television Sets Per U.S. Household

The frequency distribution below summarizes employee years of service for Alpha Corporation. Determine the width of each class. Years of Service Frequency 1-5 5 6-10 20 11-15 25 16-20 10 21-25 5 26-30 3

Explain in your own words why a bar graph can be misleading if one or both of the scales begin at some value other than zero.

Introduction to Statistics

Describing, Exploring, and Comparing Data

Probability

Discrete Probability Distributions

Normal Probability Distributions

Estimating Parameters and Determining Sample Sizes

Hypothesis Testing

Inferences From Two Samples

Correlation and Regression

Chi-Square and Analysis of Variance

Statistical Control Charts, Nonparametric Tests, and Hypothesis Testing

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