Question Details

61. Using the following data, what would be the leaf unit in a stem and leaf display?
   
A. 1.0
B. 10
C. .10
D. .01
E. .20

62. Consider the following data on distances traveled by people to visit 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

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

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

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%

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%