When are the claim and the null hypothesis the same?

Group of answer choices

Never

When the claim is only an inequality

When the claim has the equality

Always

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Question 2

2pts

Which of the following could be a null hypothesis?

Group of answer choices

3

3

< 3

> 3

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Question 3

2pts

The null and alternative hypotheses are ______.

Group of answer choices

the claim and not the claim, respectively

complements of each other

known statements that the math confirms

the same

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Question 4

2pts

Use the z-distribution, rather than t-distribution, when ________.

Group of answer choices

the samples standard deviation is known

the population and the sample are normally distributed

the population mean is known

the population standard deviation is known

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Question 5

2pts

If the null hypothesis was 2.4, then the alternative hypothesis would be ______.

Group of answer choices

< 2.4

2.4

> 2.4

= 2.4

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Question 6

2pts

If the p-value from the hypothesis test is 0.045 when the alpha is 0.05, what is the conclusion?

Group of answer choices

Fail to reject the null hypothesis

Reject the null hypothesis

Fail to reject either hypothesis

Reject the alternative hypothesis

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Question 7

2pts

If the claim is the alternative hypothesis and the null hypothesis has been rejected, what can we say about the claim?

Group of answer choices

The claim has been rejected

The alternative hypothesis should be rejected

The data support the claim

The data do not support the claim

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Question 8

2pts

If the claim is the null hypothesis and the null hypothesis has been rejected, what can we say about the claim?

Group of answer choices

The claim has been rejected

The alternative hypothesis should be rejected

The data do not support the claim

The data support the claim

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Question 9

2pts

The p-value represents the probability that __________.

Group of answer choices

the null is true

the alpha is supported

the test statistic occurred assuming the null hypothesis is true

the test statistic occurred assuming the null should be rejected

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Question 10

2pts

Which of the following would be an example of matched pair testing?

Group of answer choices

teenagers and senior citizens regarding internet use

people before diets and after diets regarding weight loss

boys and girls regarding social media

people before age 40 and those after age 40 regarding current events