Introduction to the Practice of Statistics 9th edition by David S. Moore Test bank

 A)Gender
 B)Marital status
 C)Highest education level of your mother (e.g., high school grad, college grad, etc.)
 D)Household income
 
 
96.A nationwide study was done to assess the programming proficiency of students taking a statistical programming class. The students were asked their proficiency in the statistical software SAS. The survey was sent to students at over 100 universities and 112 responses were received from 21 different universities. The results were published in the journal International Mathematical Forum in 2011. The results in the form of a pie chart are shown below.
 

 
From the pie chart, we can see that most students are _____.
 A)not proficient at all
 B)somewhat proficient
 C)very proficient
 
 
97.A nationwide study was done to assess the programming proficiency of students taking a statistical programming class. The students were asked their proficiency in the statistical software SAS. The survey was sent to students at over 100 universities and 112 responses were received from 21 different universities. The results were published in the journal International Mathematical Forum in 2011. The results in the form of a pie chart are shown below.
 

 
It would have been better to display the data in a histogram.
 A)True
 B)False
 C)Both displays work equally well.
 
 
98.A nationwide study was done to assess the programming proficiency of students taking a statistical programming class. The students were asked their proficiency in the statistical software SAS. The survey was sent to students at over 100 universities and 112 responses were received from 21 different universities. The results were published in the journal International Mathematical Forum in 2011. The results in the form of a pie chart are shown below.
 

 
True or False. A bar graph would give the same information?
 A)True
 B)False
 
 
99.The bar graph below represents the highest education level achieved for 30 random females and 60 random males questioned on a street in downtown Washington, DC.
 

 
Approximately how many people are college graduates?
 A)15
 B)7
 C)22
 D)1
 
 
100.The bar graph below represents the highest education level achieved for 30 random females and 60 random males questioned on a street in downtown Washington, DC.
 

 
More men than women are college graduates.
 A)True
 B)False
 C)This cannot be determined from the information given.
 
 
101.The bar graph below represents the highest education level achieved for 30 random females and 60 random males questioned on a street in downtown Washington, DC.
 

 
What percentage of women completed at most their junior year?
 A)5%
 B)17%
 C)67%
 D)100%
 
 
102.The bar graph below represents the highest education level achieved for 30 random females and 60 random males questioned on a street in downtown Washington, DC.
 

 
What percentage of men completed at most their freshman year?
 A)1%
 B)100%
 C)0%
 D)This cannot be determined from the information given.
 
 
103.The bar graph below represents the highest education level achieved for 30 random females and 60 random males questioned on a street in downtown Washington, DC.
 

 
How many males completed at least some graduate school?
 A)5
 B)2
 C)3
 D)60
 
 
104.A consumer group surveyed the prices for cotton, extra-long twin bed sheet sets in five different department stores and reported the average price as $16.We visited four of the five stores and found the prices to be $12, $15, $17, and $22. Assuming that the consumer group is correct, what is the price of the item at the store that we did not visit?
 A)$10
 B)$14
 C)$15
 D)$17
 
 
105.According to the Bureau of Labor and Statistics in 2014, the average salary of all female workers is $37,596. The average salary of all male workers is $45,500.What must be true about the average salary of all workers?
 A)It must be $38,000.
 B)It must be larger than the median salary.
 C)It could be any number between $37,596 and $45,500.
 D)None of the above.
 
 
106.A researcher reports that, on average, the participants in his study lost 10.4 pounds after 2 months on his new diet. A friend of yours comments that she tried the diet for 2 months and lost no weight, so clearly the report must be a fraud. Which of the following statements is correct?