Quarter 4 Statistics

Front

What is a null hypothesis?

Back

A statement that suggests there is no significant difference.

Front

The symbol for null hypothesis is: H1, Ha, Ho, Hn

Back

Ho

Front

In a study about whether music helps students study better, which is the null hypothesis? Options: Music makes studying worse, Music has no effect on studying, Music helps students study better, Students prefer studying with music

Back

Music has no effect on studying

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What is an alternative hypothesis?

Back

A statement that contradicts the null hypothesis.

Front

When testing if a new teaching method improves test scores, what would be a good null hypothesis?

Back

There is no difference between the old and new methods

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Which statement is true about hypotheses? Hypotheses can never be tested, We can prove a null hypothesis is true, Alternative hypotheses are always correct, We can only reject or fail to reject a null hypothesis

Back

We can only reject or fail to reject a null hypothesis

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Which statement is typically used in statistics? Options: Accept both hypotheses, Ignore the null hypothesis, Try to disprove the null hypothesis, Try to prove the alternative hypothesis

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Try to disprove the null hypothesis

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What would be the null hypothesis if a researcher believes that 8th graders sleep an average of 8 hours per night?

Back

8th graders sleep exactly 8 hours.

Front

What happens when we reject the null hypothesis?

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We automatically accept the alternative hypothesis

Front

Which is NOT a characteristic of a good hypothesis? Options: It is specific, It can be tested, It includes personal opinions, It relates to the research question

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It includes personal opinions