Select the single best answer for each question or statement, then transfer your

Question

Select the single best answer for each question or statement, then transfer your answers to the appropriate scan sheet provided. 1. A reading teacher wanted to know how many books her students read over the summer. She asked the local librarian to keep a record for her. The record showed that 7 students checked out a total of 60 books. At the first faculty meeting she reported that, on average, students in her class read 8.6 books over the summer. _ a. Consider the sampling method. _ b. Consider the measurement of the variable of interest. _ c. Consider the source. _ d. Consider possible confounding variables. Suppose that the cost of a statistics text was S55 in 1985 and is $90 in 2000. What is the 'Statistics Text Index' number, rounded to the nearest tenth, for the 1985 edition with the 2000 price as the reference value? a. 0.6 b. 163.6 c. 1.6 d. 61.1

Explanation / Answer

1)

Option C.

She consider it from source.

2)

With reference to 2000 1985 price index is = Price of 1985/Price of 1985 = 55/90 = 0.6

So option a is correct

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