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# Null and Alternative hypothesis for the following cases

Please state your null and alternative hypothesis for the following cases. Please explain how do you make that decision on which is alternative and which is null.

Remember that it comes to the point that what a researcher would like to test for. For example, when I test to see if a sereal box weighs as it is stated, I am testing as a consumer. The producers will test for different information to cover themselves frome being legally liable, or not to give extra to the consumers.

Also remember please that usually alternative is what you wish to become true and be accepted, on the other hand the null is what you would like to reject.

Q1- Is the population average amount of TV viewing 12 hours?

State the question statistically:
State the opposite statistically:

Select the alternative hypothesis:
State the null hypothesis:

Q2- Is the population average amount of TV viewing different from 12 hours?

State the question statistically:
State the opposite statistically:

Select the alternative hypothesis: Ha:
State the null hypothesis: H0:

Q3- Is the average cost per hat less than or equal to \$20?

State the question statistically:
State the opposite statistically:

Select the alternative hypothesis: Ha:
State the null hypothesis: H0:

Q4- Is the average amount spent in the bookstore greater than \$25?
State the question statistically:
State the opposite statistically:

Select the alternative hypothesis: Ha:
State the null hypothesis: H0:

#### Solution Preview

Q1- Is the population average amount of TV viewing 12 hours?

State the question statistically: Is the population mean amount of TV viewing 12 hours?
State the opposite statistically: Is the population mean amount of TV viewing NOT 12 hours?

Select the alternative hypothesis: the population mean amount of TV viewing is NOT 12 hours
State the null hypothesis: the population mean amount of TV viewing is 12 hours

Q2- Is the ...

#### Solution Summary

The solution examines a null and alternative hypothesis.

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