Unformatted text preview: t the local amusement
park and calculate the relative frequency for the shortest distance. A. .375
B. .150
C. .500
D. .300
E. .333 63. Consider the following data on distances traveled by people to visit the local amusement
park and calculate the relative frequency for the distances over 24 miles. A. .375
B. .150
C. .125
D. .025
E. .325 149 Chapter 01  An Introduction to Business Statistics 64. The following is a partial relative frequency distribution of grades in an introductory
statistics course. Find the relative frequency for B grade
A. .78
B. .27
C. .65
D. .37
E. .47 65. The following is a relative frequency distribution of grades in an introductory statistics
course. If this was the distribution of 200 students, find the frequency for the highest two grades:
A. 44
B. 118
C. 59
D. 74
E. 35 150 Chapter 01  An Introduction to Business Statistics 66. The following is a relative frequency distribution of grades in an introductory statistics
course. If this was the distribution of 200 students, find the frequency of failures:
A. 12
B. 6
C. 23
D. 46
E. 3 67. 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 should be assigned to
the highest grade of A.
A. 61.1
B. 22.0
C. 79.2
D. 90.0
E. 212.40 151 Chapter 01  An Introduction to Business Statistics 68. 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: What percentage of those surveyed were female and could not recall the company?
A. 40.0%
B. 22.0%
C. 52.4%
D. 66.7%
E. 37.9% 69. 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: What percentage of those surveyed could not correctly recall the company?
A. 58.00%
B. 56.89%
C. 55.00%
D. 43.10%
E. 42.00% 152 Chapter 01  An Introduction to Business Statistics 70. 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: What percentage of purchases were Plasma televisions by customers with the smallest credit
balances?
A. 50.00%
B. 39.20%
C. 56.30%
D. 34.80%
E. 19.6% 71. 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: What percentage of the customers with the highest credit balances purchased an LCD
television?
A. 36.30%
B. 5.90%
C. 19.60%
D. 56.30%
E. 16.20% 153 Chapter 01  An Introduction to Business Statistics 72. 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
How many classes should be used in the construction of a histogram?
A. 4
B. 6
C. 10
D. 5
E. 2 73. 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
What is the shape of the distribution of the data?
A. Skewed with tail to the right
B. Skewed with tail to the left
C. Normal
D. Bimodel 74. The number of items rejected daily by a manufacturer because of defects for the last 30
days are: 20, 21, 8, 17, 22, 19, 18, 19, 14, 17, 11, 6, 21, 25, 4, 19, 9, 12, 16, 16, 10, 28, 24, 6,
21, 20, 25, 5, 17, 8
How many classes should be used in the construction of a histogram?
A. 6
B. 5
C. 7
D. 4
E. 8 154 Chapter 01  An Introduction to Business Statistics
Essay Questions 75. 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 an Ogive plot 76. The number of items rejected daily by a manufacturer because of defects for the last 30
days are: 20, 21, 8, 17, 22, 19, 18, 19, 14, 17, 11, 6, 21, 25, 4, 19, 9, 12, 16, 16, 10, 28, 24, 6,
21, 20, 25, 5, 17, 8
Complete this frequency table for these data 77. The number of items rejected daily by a manufacturer because of defects for the last 30
days are: 20, 21, 8, 17, 22, 19, 18, 19, 14, 17, 11, 6, 21, 25, 4, 19, 9, 12, 16, 16, 10, 28, 24, 6,
21, 20, 25, 5, 17, 8
Construct a stemandleaf plot. 155 Chapter 01  An Introduction to Business Statistics 78. The number of items rejected daily by a manufacturer because of defects for the last 30
days are: 20, 21, 8, 17, 22, 19, 18, 19, 14, 17, 11, 6, 21, 25, 4, 19, 9, 12, 16, 16, 10, 28, 24, 6,
21, 20, 25, 5, 17, 8
Construct an Ogive plot 79. Consider the following data: Create a stem and leaf display for the sample. 156 Chapter 01  An Intr...
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