The file contains prices (in dollars) for two tidets. with online service charges. large popcorn. and two medium soft drinks at a sample of six theater chains: 36,15 3 LOO 35.05 40.25 33.75 43.00 Source: Data extracted/rom K. Kl:’lly. “nIl:’ Multiplex Und

The file contains prices (in dollars) for
two tidets. with online service charges. large popcorn.
and two medium soft drinks at a sample of six theater
chains:
36,15 3 LOO 35.05 40.25 33.75 43.00
Source: Data extracted/rom K. Kl:’lly. “nIl:’ Multiplex Under Siege.
The Wall Street .Tournai. Decl!lIliJer 24-25. 2()U5, pp. PI. P5.
a. At the 0.05 level of significance, is there evidence that
the mean price for two movie tickets, with online servile
charges, large popcorn. and two medium soft drinks. i~
different fr0111 $35’1
b. Determine the p-value in (a) and interpret its meaning.
c. What assumption must you make about the population
distribution in order to conduct the t test in (a) and (b)’?
d. Because the sample size is 6, do you need to be concerned
about the shape of the population distribution
when conducting the t test in (a)? Explain.