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Unformatted text preview: oduction to Business Statistics 80. Consider the following data on distances traveled by people to visit the local amusement
park. Construct an Ogive plot that corresponds to the frequency table. 81. The following is a relative frequency distribution of grades in an introductory statistics
course. If this was the distribution of 200 students, give the frequency distribution for this data: 157 Chapter 01  An Introduction to Business Statistics 82. The following is a relative frequency distribution of grades in an introductory statistics
course. Construct a percent frequency bar chart for this data. 83. The following is a relative frequency distribution of grades in an introductory statistics
course. If we wish to depict these data using a pie chart, find how many degrees (out of 360 degrees)
should be assigned to each grade. 158 Chapter 01  An Introduction to Business Statistics 84. Fill in the missing components of the following frequency distribution constructed for a
sample size of 50. 85. Recently an advertising company called 200 people and asked to identify the company
that was in an ad running nationwide. The following results were obtained: Construct a table of row percentages 159 Chapter 01  An Introduction to Business Statistics 86. Recently an advertising company called 200 people and asked to identify the company
that was in an ad running nationwide. The following results were obtained: Construct a table of column percentages 87. The local electronics retailer has recently conducted a study on purchasers of large screen
televisions. The study recorded the type of television and the credit account balance of the
customer at the time of purchase. The following results were obtained: Construct a table of row percentages. 160 Chapter 01  An Introduction to Business Statistics 88. The local electronics retailer has recently conducted a study on purchasers of large screen
televisions. The study recorded the type of television and the credit account balance of the
customer at the time of purchase. The following results were obtained: Construct a table of column percentages. 89. Math test anxiety can be found throughout the general population. A study of 116 seniors
at a local high school was conducted. The following table was produced from the data.
Complete the missing parts. 161 Chapter 01  An Introduction to Business Statistics 90. The number of weekly sales calls by a sample of 25 pharmaceutical salespersons is below:
24, 56, 43, 35, 37, 27, 29, 44, 34, 28, 33, 28, 46, 31, 38, 41, 48, 38, 27, 29, 37, 33, 31, 40, 50
Construct a histogram 91. The number of weekly sales calls by a sample of 25 pharmaceutical salespersons is below:
24, 56, 43, 35, 37, 27, 29, 44, 34, 28, 33, 28, 46, 31, 38, 41, 48, 38, 27, 29, 37, 33, 31, 40, 50
Construct a stemandleaf plot. 162 Chapter 01  An Introduction to Business Statistics Chapter 02 Descriptive Statistics: Tabular and Graphical Methods Answer Key True / False Questions 1. A stemandleaf display is a graphical portrayal of a data set that shows the data set's
overall pattern of variation.
TRUE AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Medium
Topic: Stem And Leaf 2. The relative frequency is the frequency of a class divided by the total number of
measurements.
TRUE AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Medium
Topic: Histogram 163 Chapter 01  An Introduction to Business Statistics 3. A bar chart is a graphic that can be used to depict qualitative data.
TRUE AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Easy
Topic: Bar Chart 4. Stemandleaf displays and dot plots are useful for detecting outliers.
TRUE AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Medium
Topic: Stem And Leaf 5. A scatter plot can be used to identify outliers.
FALSE AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Medium
Topic: Scatter Plot 164 Chapter 01  An Introduction to Business Statistics 6. When looking at the shape of the distribution using a stemandleaf, a distribution is
skewed to the right when the left tail is shorter than the right tail.
TRUE AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Medium
Topic: Stem And Leaf 7. When we wish to summarize the proportion (or fraction) of items in a class we use the
frequency distribution for each class.
FALSE AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Medium
Topic: Histogram 8. When establishing the classes for a frequency table it is generally agreed that the more
classes you use the better your frequency table will be.
FALSE AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Easy
Topic: Histogram 9. The sample cumulative distribution function is nondecreasing.
TRUE AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Medium
Topic: Graphing Quantitative Data 165 Chapter 01  An Introduction to Business Statistics 10. A frequency table includes row and column percentages.
FALSE AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Medium
Topic: Histogram Multiple Choice Questions 1...
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 Winter '14

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