1. True or False. Justify for full credit. (a) If A and B STAT 200 | 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) On the day of the last presidential election, UMUC News Club organized an exit poll in which specific polling stations were randomly selected and all voters were surveyed as they left those polling stations. 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.)