Suppose that you want to construct a graph to represent the following data. \[\begin{array} { c c } \text { Blood Type } & \text { Frequency } \\ \hline \mathrm { O } & 90 \\ \mathrm {~A} & 84 \\ \mathrm {~B} & 18 \\ \mathrm { AB } & 8 \end{array}\] If you are mostly interested in the number of people in each category as a percentage of the total number of people, would a bar chart or a pie chart be more useful? Explain your thinking.

A pie chart would be more useful. A pie

Construct a frequency distribution for the given qualitative data. -The table shows the country represented by the winner of the 10,000 meter run in the Summer Olympic Games in various years. $\begin{array} { l l } \text { Year } & \text { Country } \\ \hline 1912 & \text { Finland } \\ 1920 & \text { Finland } \\ 1924 & \text { Finland } \\ 1928 & \text { Finland } \\ 1932 & \text { Poland } \\ 1936 & \text { Finland } \\ 1948 & \text { Czechoslovakia } \\ 1952 & \text { Czechoslovakia } \\ 1956 & \text { USSR } \\ 1960 & \text { USSR } \\ 1964 & \text { United States } \\ 1968 & \text { Kenya } \\ 1972 & \text { Finland } \\ 1976 & \text { Finland } \\ 1980 & \text { Ethiopia } \\ 1984 & \text { Italy } \\ 1988 & \text { Morocco } \\ 1992 & \text { Morocco } \end{array}$

A) $\begin{array}{lc} \text { Country } & \text { Frequency } \\ \hline \text { Finland } & 6 \\ \text { Poland } & 1 \\ \text { Czechoslovakia } & 2 \\ \text { USSR } & 2 \\ \text { United States } & 1 \\ \text { Kenya } & 1 \\ \text { Ethiopia } & 1 \\ \text { Italy } & 1 \\ \text { Morocco } & 2 \end{array}$ B) $\begin{array}{lc} \text { Country } & \text { Frequency } \\ \hline \text { Finland } & 7 \\ \text { Poland } & 1 \\ \text { Czechoslovakia } & 2 \\ \text { USSR } & 2 \\ \text { United States } & 1 \\ \text { Ethiopia } & 1 \\ \text { Italy } & 1 \\ \text { Morocco } & 2 \end{array}$ C) $\begin{array}{lc} \text { Country } & \text { Frequency } \\ \hline \text { Finland } & 7 \\ \text { Poland } & 1 \\ \text { Czechoslovakia } & 2 \\ \text { USSR } & 2 \\ \text { United States } & 1 \\ \text { Kenya } & 1 \\ \text { France } & 1 \\ \text { Ethiopia } & 1 \\ \text { Italy } & 1 \\ \text { Morocco } & 2 \end{array}$ D) $\begin{array}{lc} \text { Country } & \text { Frequency } \\ \hline \text { Finland } & 7 \\ \text { Poland } & 1 \\ \text { Czechoslovakia } & 2 \\ \text { USSR } & 2 \\ \text { United States } & 1 \\ \text { Kenya } & 1 \\ \text { Ethiopia } & 1 \\ \text { Italy } & 1 \\ \text { Morocco } & 2 \end{array}$ A) $\begin{array}{lc} \text { Country } & \text { Frequency } \\ \hline \text { Finland } & 6 \\ \text { Poland } & 1 \\ \text { Czechoslovakia } & 2 \\ \text { USSR } & 2 \\ \text { United States } & 1 \\ \text { Kenya } & 1 \\ \text { Ethiopia } & 1 \\ \text { Italy } & 1 \\ \text { Morocco } & 2 \end{array}$ B) $\begin{array}{lc} \text { Country } & \text { Frequency } \\ \hline \text { Finland } & 7 \\ \text { Poland } & 1 \\ \text { Czechoslovakia } & 2 \\ \text { USSR } & 2 \\ \text { United States } & 1 \\ \text { Ethiopia } & 1 \\ \text { Italy } & 1 \\ \text { Morocco } & 2 \end{array}$ C) $\begin{array}{lc} \text { Country } & \text { Frequency } \\ \hline \text { Finland } & 7 \\ \text { Poland } & 1 \\ \text { Czechoslovakia } & 2 \\ \text { USSR } & 2 \\ \text { United States } & 1 \\ \text { Kenya } & 1 \\ \text { France } & 1 \\ \text { Ethiopia } & 1 \\ \text { Italy } & 1 \\ \text { Morocco } & 2 \end{array}$ D) $\begin{array}{lc} \text { Country } & \text { Frequency } \\ \hline \text { Finland } & 7 \\ \text { Poland } & 1 \\ \text { Czechoslovakia } & 2 \\ \text { USSR } & 2 \\ \text { United States } & 1 \\ \text { Kenya } & 1 \\ \text { Ethiopia } & 1 \\ \text { Italy } & 1 \\ \text { Morocco } & 2 \end{array}$

Use limit grouping to organize these data into a frequency distribution. -On a math test, the scores of 24 students were $\begin{array} { l l l l l l l l l l l l } 97 & 76 & 73 & 62 & 73 & 73 & 97 & 81 & 73 & 65 & 84 & 76 \end{array}$ $\begin{array} { l l l l l l l l l l l l l } 76 & 84 & 73 & 76 & 84 & 73 & 76 & 81 & 76 & 84 & 81 & 62 \end{array}$ Construct a frequency distribution. Use 4 classes beginning with a lower class limit of 60 . $\begin{array} { l | l } \text { Score } & \text { Frequency } \\ \hline & \end{array}$

The answer of Use limit grouping to organize these data...

Use cutpoint grouping to organize these data into a frequency distribution. -The following figures represent Jennifer's monthly charges for long distance telephone calls for the past twelve months. $\begin{array}{l} \begin{array} { l r r r } 8.46 & 12.35 & 13.98 & 17.41 \\ 10.45 & 16.10 & 9.97 & 14.48 \\ 14.10 & 13.70 & 15.67 & 10.20 \end{array}\\ \text { Construct a frequency distribution with } 4 \text { classes. }\\ \begin{array} { l | l } \text { Charges } & \text { Frequency } \\ \hline & \end{array} \end{array}$

The answer of Use cutpoint grouping to organize these data...

Exam 2: Organizing Data

Suppose that you want to construct a graph to represent the following data. Blood Type Frequency 90 84 18 8 If you are mostly interested in the number of people in each category as a percentage of the total number of people, would a bar chart or a pie chart be more useful? Explain your thinking.

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Question 161

Construct a frequency distribution for the given qualitative data. -The table shows the country represented by the winner of the 10,000 meter run in the Summer Olympic Games in various years. Year Country 1912 Finland 1920 Finland 1924 Finland 1928 Finland 1932 Poland 1936 Finland 1948 Czechoslovakia 1952 Czechoslovakia 1956 USSR 1960 USSR 1964 United States 1968 Kenya 1972 Finland 1976 Finland 1980 Ethiopia 1984 Italy 1988 Morocco 1992 Morocco

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Question 162

Construct the requested histogram. -The table gives the frequency distribution for the data involving the number of radios per household for a sample of 80 U.S. households. \# of Radios Frequency 1 5 2 10 3 30 4 25 5 10 $\text { Construct a relative frequency histogram. }$ $Construct the requested histogram. -The table gives the frequency distribution for the data involving the number of radios per household for a sample of 80 U.S. households. \begin{array} { c | c } \text { \# of Radios } & \text { Frequency } \\ \hline 1 & 5 \\ 2 & 10 \\ 3 & 30 \\ 4 & 25 \\ 5 & 10 \end{array} \text { Construct a relative frequency histogram. }$

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Question 163

Construct the requested histogram. -The table gives the frequency distribution for the data involving the number of television sets per household for a sample of 100 U.S. households. \# of TVs Frequency 1 25 2 45 3 15 4 10 5 5 $\text { Construct a frequency histogram. }$ $Construct the requested histogram. -The table gives the frequency distribution for the data involving the number of television sets per household for a sample of 100 U.S. households. \begin{array}{c|c} \text { \# of TVs } & \text { Frequency } \\ \hline 1 & 25 \\ 2 & 45 \\ 3 & 15 \\ 4 & 10 \\ 5 & 5 \end{array} \text { Construct a frequency histogram. }$

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Question 164

Use limit grouping to organize these data into a frequency distribution. -On a math test, the scores of 24 students were 97 76 73 62 73 73 97 81 73 65 84 76 76 84 73 76 84 73 76 81 76 84 81 62 Construct a frequency distribution. Use 4 classes beginning with a lower class limit of 60 . Score Frequency

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Question 165

A graphical display of a data set is given. State whether the distribution is (roughly)symmetric, right skewed, or leftskewed. -The dotplot shows heights of football players.

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Question 166

Use cutpoint grouping to organize these data into a frequency distribution. -The following figures represent Jennifer's monthly charges for long distance telephone calls for the past twelve months. 8.46 12.35 13.98 17.41 10.45 16.10 9.97 14.48 14.10 13.70 15.67 10.20 Construct a frequency distribution with 4 classes. Charges Frequency

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Question 167

Construct a pie chart representing the given data set. -The following figures give the distribution of land (in acres)for a county containing 86,000 acres. Land Use Acres Relative Frequency Forest 12,900 0.15 Farm 8600 0.10 Urban 64,500 0.75 $Construct a pie chart representing the given data set. -The following figures give the distribution of land (in acres)for a county containing 86,000 acres. \begin{array}{r|r|c} \text { Land Use } & \text { Acres } & \text { Relative Frequency } \\ \hline \text { Forest } & 12,900 & 0.15 \\ \text { Farm } & 8600 & 0.10 \\ \text { Urban } & 64,500 & 0.75 \end{array}$

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Question 168

The average height of all freshmen entering college in a certain year is 68.4 inches.

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Question 169

Showing 161 - 169 of 169

Suppose that you want to construct a graph to represent the following data. Blood Type Frequency 90 84 18 8 If you are mostly interested in the number of people in each category as a percentage of the total number of people, would a bar chart or a pie chart be more useful? Explain your thinking.

A graphical display of a data set is given. State whether the distribution is (roughly)symmetric, right skewed, or leftskewed. -The dotplot shows heights of football players.

The average height of all freshmen entering college in a certain year is 68.4 inches.

The Nature of Statistics

Descriptive Measures

Probability Concepts

Discrete Random Variables

The Normal Distribution

The Sampling Distribution of the Sample Mean

Confidence Intervals for One Population Mean

Hypothesis Tests for One Population Mean

Inferences for Two Population Means

Inferences for Population Standard Deviations

Inferences for Population Proportions

Chi-Square Procedures

Descriptive Methods in Regression and Correlation

Inferential Methods in Regression and Correlation

Analysis of Variance Anova

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