Preparing to Test a Claim about a Mean

Question 1

What are the null and alternative hypotheses for this test?

Revolt · Accepted Answer

H0: μ = 32 mpg Ha: μ < 32 mpg

Question 2

✔ rejectfail to reject

Revolt · Accepted Answer

✔ reject

Question 3

✔ havedo not have

Revolt · Accepted Answer

✔ have

Question 4

✔ less thangreater thanequal todifferent from

Revolt · Accepted Answer

✔ less than

Question 5

Check the three conditions for this t test for one mean.

Revolt · Accepted Answer

✔ 10 cars of this make and model; Random: A random sample of was selected.: 10 cars of this make and model; 10%: 10 < 10% of: all cars of this make and model; Normal/large sample: n = , but the distribution of the sample: 10 is small; Normal/large sample: n = , but the distribution of the sample: shows no skewness or outliers

Question 6

✔ all cars of this make and model10 cars of this make and modelall car manufacturersmiles driven

Revolt · Accepted Answer

✔ all cars of this make and model

Question 7

✔ 10 is small10 is large32 is large32 is small

Revolt · Accepted Answer

✔ 10 is small

Question 8

✔ shows no skewness or outliersis normalis skewed to the rightis skewed to the left

Revolt · Accepted Answer

✔ shows no skewness or outliers

Question 9

Check the three conditions:

Revolt · Accepted Answer

✔ t test for one mean; Name the test:: t test for one mean; Random: A random sample of was selected.: medium beverages; 10%: 30 < 10% of: all medium beverages; Normal/large sample:: The sample size is at least 30.

Question 10

drink dispensers✔ medium beveragesinspectorsounces

Revolt · Accepted Answer

✔ medium beverages

Preparing to Test a Claim about a Mean Answers

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