Identify the sample as biased or unbiased and describe its type.
to determine whether st...
Mathematics, 04.11.2019 23:31 gilaarkalji
Identify the sample as biased or unbiased and describe its type.
to determine whether students would choose engineering as their profession, equal number of boys and girls were surveyed in a school.
a. unbiased, stratified random sample
b. unbiased, systematic random sample
c. biased, convenience sample
d. biased, voluntary response sample
Answers: 2
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What is the exact volume of the cylinder (radius 13 in., height 30 in.)
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Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?
Answers: 3
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