The critic rating and audience score for 8 movies are shown in the table.
Critic Rating 72 80 65 23 28 60 41 35
Audience Score 64 92 90 48 55 70 44 80
An owner of a movie theater is investigating whether critic rating can be used to predict the mean audience score of movies. Assuming the conditions for inference have been met, which of the following inference procedures is the most appropriate to estimate the mean change in audience score for each 1 point increase in the critic rating?
a: A one-sample tt-test for means
b: A linear regression tt-interval for slope
c: A two-sample tt-interval for a difference between means
d: A matched-pairs tt-interval for a mean difference
e: A two-sample zz-interval for a difference between proportions