Question

According to​ research, holiday shoppers spent an average of

​$372 over a holiday weekend in 2008. The accompanying data show the amount spent by a random sample of holiday shoppers during the same weekend in 2009. Complete parts a and b below.

data table:

​$429	​$271	​$375	​$235	​$225	​$214
​$356	​$433	​$385	​$396	​$316	​$66
​$414	​$431	​$381	​$284

a. Retailers were concerned that the recent economic downturn was going to affect holiday sales. Does this sample support these concerns using

alphaαequals=0.10​?

Determine the null and alternative hypotheses. Choose the correct answer below.

A.

Upper H 0H0​:

mu less than or equals 372μ≤372

and

Upper H 1H1​:

mu greater than 372μ>372

B.

Upper H 0H0​:

mu equals 372μ=372

and

Upper H 1H1​:

mu not equals 372μ≠372

C.

Upper H 0H0​:

mu not equals 372μ≠372

and

Upper H 1H1​:

mu equals 372μ=372

D.

Upper H 0H0​:

mu greater than or equals 372μ≥372

and

Upper H 1H1​:

mu less than 372

Answer 1