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A researcher is looking at the relationship between home-schooling and achievement. She is hypothesizing that the home-schooled children will score higher than non home-schooled children on a standardized achievement test.

a. What is the null hypothesis?

b. What is the alternative hypothesis? (Remember that every possibility must be covered between these two hypotheses).

c. Is this a one-tailed or a two-tailed test?

d. Write the alternative hypothesis so that it is a one-tailed test.

e. Write it as a two-tailed test.

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