Testing a Claim about a Difference between Means

Question 1

Let μAR = the true mean score for all games played at the arcade and μAM = the true mean score for all games played at the amusement park. What are the appropriate hypotheses?

Revolt · Accepted Answer

H0: μAR − μAM = 0 versus Ha: μAR − μAM > 0

Question 2

reject✔ fail to reject

Revolt · Accepted Answer

✔ fail to reject

Question 3

have✔ do not have

Revolt · Accepted Answer

✔ do not have

Question 4

reject✔ fail to reject

Revolt · Accepted Answer

✔ fail to reject

Question 5

Here is a t-distribution table.

Revolt · Accepted Answer

✔ 4.77; What is the value of the test statistic?: 4.77; What is the value of the conservative degrees of freedom?: 9; What is the P-value of this test?: Less than 0.0005; We should H0.: reject; This means that we convincing evidence to conclude that her true mean score at the local arcade is greater than her true mean score at the amusement park.: have

Question 6

✔ 9101415

Revolt · Accepted Answer

✔ 9

Question 7

✔ Less than 0.0005Between 0.01 and 0.02Between 0.02 and 0.025Between 0.025 and 0.05

Revolt · Accepted Answer

✔ Less than 0.0005

Question 8

✔ rejectfail to reject

Revolt · Accepted Answer

✔ reject

Question 9

✔ havedo not have

Revolt · Accepted Answer

✔ have

Question 10

✔ 39407980

Revolt · Accepted Answer

✔ 39

Testing a Claim about a Difference between Means Answers

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