At a local technical school, five auto repair classes are ...

[Tazate]

At a local technical school, five auto repair classes are randomly selected and all of the students from each class are interviewed. What sampling technique is used?
 
  A) simple random
  B) stratified
  C) cluster
  D) systematic
  E) convenience

Question 2

A researcher wishes to estimate the proportion of likely voters that will vote for the incumbent. Obtain a sample size that will ensure a margin of error of at most 1 percentage points for a 95 confidence interval.
 
  A) 97 B) 38,416 C) 2401 D) 9604

[firehawk60]

Answer to Question 1

C

Answer to Question 2

D

[Tazate]

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