Refer to Table 2, which of the following is an appropriate alternative hypothesi

Question

Refer to Table 2, which of the following is an appropriate alternative hypothesis?

Table 2

Target versus Walmart: Who has the lowest prices? Given Walmart’s slogan “Save Money—Live Better,” you suspect that Walmart does. In order to test your suspicion, you identify 20 items (all brand-name items) currently on your household shopping list. You visit both Target and Walmart, price each item, and organize and store these data in TargetWalmart – download this Excel in the attachment. At the 0.05 level of significance, is there evidence that the mean price of items is lower at Target than at Walmart?

• You need to download TargetWalmart data file.

Question 29 options:

1)

2)

3)

4)

1)

D < 0

2)

D 0

3)

I - II 0

4)

I - II < 0 11 Shopping ItemTarget Walmart 5.47 2 10.9911.97 3 3.292.85 14.97 12.97 5 4.99 4.97 618.99 14.97 6.98 7.92 92.992.75 10 2.99 2.75 112.99 3.98 12 2.19 1.89 1 5.09 7 3.89 8 10.98 10 12 13 14 15 16 17 18 19 20 21 13 9.299.27 14 5.99 5.86 53.98 3.58 2.67 72.99 2.98 18 2.39 2.18 16 3.19 1909 1.89 20 3.98 3.97 23 24 25 26 27 28 29 30 31

Explanation / Answer

We can notice that from sentence in question,

At the 0.05 level of significance, is there evidence that the mean price of items is lower at Target than at Walmart?

Question 29) Option 4) is correct.

I - II < 0

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