Question

In: Statistics and Probability

A researcher wishes to test claim that that the average cost of a coke in Mexico...

A researcher wishes to test claim that that the average cost of a coke in Mexico is different than the average cost for a coke in Russia. The cost is measured in US Dollars. Sample data are provided below. Test the claim using α=0.10.

Mexico Russia

X ¯ 1 =1.26

s 1 =0.11

n 1 =14

X ¯ 2 =1.52

s 2 =0.09

n 2 =14

State the claim:

H 0 μ 1    

H 1 μ 1≠ μ 2 claim

Determine the direction of the tails: Left, Right, or Two:  tail/s.

Find the critical value:+/-

Compute Test Point (round to 2 place values) :

Do we Reject or Do Not Reject?  

Summarize: There is enough evidence to  the claim.

Solutions

Expert Solution

orchestra answered 1 year ago
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