Mat

10. a study was conducted by a local high school with a graduating class of 450 to determine what factor most influenced the students' choice of which university to attend after high school. 98 students participated in the study; 58 students said that the location of the university was the most important factor in their decision. the results were published stating that 266 students in the graduating class would consider location as the greatest influence in determining which college to attend. what is the problem with this study?

a)voluntary response
b)precise numbers
c)correlation and causality
d)self interest

11. the number of freshmen entering college in a certain year is 621. what type of data is 621?

a)continuous data

b)categorical data

c)discrete data

12. use common sense to determine whether the given event is impossible; possible, but very unlikely; or possible and likely.

a)andre flipped a coin twice and it came up the same way both times.

b)possible and likely

c)possible, but very unlikely

d)impossible

13. an airline company advertises that 100% of their flights are on time after checking 5 randomly selected flights. what is the problem with this study?

a)missing data

b)loaded question

c)reported results

d)small sample

14. a student wishes to determine the percentage of students in his school that bring a sack lunch. he decides to poll every student in his grade level. it is found that 30 percent on the students polled bring a sack lunch. the student concludes that 30 percent of the students in the school bring a sack lunch. identify the abuse of statistics.

a)nonresponse
b)small sample
c)bad sample
d)loaded question

15. identify the problem with the following study.

an internet poll on a website asks people to indicate whether or not they have a cable tv subscription. 1974 people respond with 847 indicating that they do have a cable tv subscription.

a)voluntary response
b)nonresponse
c)correlation and causality
d)precise numbers