STAT 200 Final Examination, Spring 2017 OL4 US2 (SOLUTIONS) STAT 200 Final Examination | Page 2

(i) statistic
(ii) parameter
(iii) cannot be determined
(b) The hotel ratings are usually on a scale from 0 star to 5 stars. The level of this measurement
is
(i) interval
(ii) nominal
(iii) ordinal
(iv) ratio
(c) The quality control department of a semiconductor manufacturing company tests every 100th
product from the assembly line. This type of sampling is called:
(i) cluster
(ii) convenience
(iii) systematic
(iv) stratified
3. ​ The frequency distribution below shows the distribution for IQ scores for a random sample of
1000 adults. (​ Show all work. Just the answer, without supporting work, will receive no credit.)