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- Course
- BSMM-8320 (STATISTICS)
- Institution
- University Of Windsor (U Of W )
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Quiz 11. In the fall of 2015 a research company conducted its Internet & Life Project through
telephone interviews about online shopping with a sample of Canadian adults aged 18
and older. Canadian adults aged 18 and older constitute the ________ of the study.
A) Who
B) What
C) When
D) Where
E) How
2. In the Consumer Reports Health study on arthritis drugs, possible side effects is what
kind of variable?
A) Quantitative
B) Ordinal
C) Identifier
D) Categorical (nominal)
3. KiPLEX manufactures plastic pipes. KiPLEX piping is a less expensive alternative to copper piping.
BPLEX's marketing department wants to determine plumbers' satisfaction with KiPLEX piping. To do
this, they plan to survey plumbers who purchase KiPLEX pipes on regular basis.
Suppose that there are five categories of plumbers (individuals, small local businesses, home renovation
companies, condo renovation companies, and high rise construction companies). The marketing
specialists decide to randomly select 20 individuals from each category. This sampling method is called
A) simple random.
B) stratified.
C) cluster.
D) systematic.
E) convenience.
4. In conducting a personal interview, the interviewer is allowed to arbitrarily decide who should be
interviewed. Which of the following statements is true?
A) This is a biased sample.
B) This is a voluntary response sample.
C) This is a simple random sample.
D) This is an unbiased sample
E) This is a representative sample.
5. A study was recently done in which the brand preference for coffee was analyzed against the gender
of the shopper. The study consisted of 200 male shoppers and 300 female shoppers. Three different
coffee brands were considered: A, B, and C. A total of 250 female shoppers preferred brand A and
25 female shoppers preferred brand C. A total of 125 male shoppers preferred brand B and 50 male
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