Mauricio Cruz wants to determine if the average price of imported wine is less than the average price of domestic win. He obtained the data shown in the table below.

Imported Wine:

X1 = 7.03

s1 = 2.31

n1 = 35

Domestic Wine:

X2 = 9.78

s2 = 3.62

n2 = 35

What is the appropriate test value for a z test?

A) -6.49

B) -4.46

C) -3.78

D) -0.92

What is the critical value at a = 0.05

A) -1.6445

B) -1.753

C) -2.145

D) -2.131

What is the null hypothesis?

A) H0 : u1 *not equal* u2

B) H0 : u1 > u2

C) H0 : u1 < u2

D) H0 : u1 = u2