STAT 301 Homework Questions
Jeremiah
Terms in this set (11)
a. The group of all registered voters in Fort Collins is the population of interest
b. The survey respondent's answer to the italicized question above is the
response variable of interest
c. The survey respondent's gender is the
predictor variable of interest
A polling firm would like to estimate the
proportion of registered Fort Collins voters
d. Suppose we calculate the proportion of voters from our sample who say they are
who plan to vote in the upcoming city
definitely voting. This proportion is an example of a/an statistic
elections, and they would also like to see if
there is a noticeable difference between
e. Suppose we are interested in estimating the proportion of male voters in Fort Collins
how likely men and women are to vote.
who will definitely be voting. This proportion is an example of a/an: parameter
Using voter registration records, they
randomly sample 300 names and mail
f. Each individual person in our sample is considered to be a/an:
surveys to the selected voters' home
observation
addresses. Of the surveys they mail out, they
receive 68 back. The survey has one
g. If the people who returned the surveys did so for a reason that is related to their
question that reads as follows:
likelihood of voting, then there might be
bias
h. If we use the difference between the proportion of men in our sample who will
definitely be voting and the proportion of women in our sample who will definitely be
voting in order to make a claim the differences between all male and female voters in
Fort Collins, we are engaging in statistical inference
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