Question 1

If the null hypothesis states, “There is no relationship between the amount of sleep a person gets each night and the amount of coffee they drink,” which of the following could be an example of an alternative hypothesis for this study?

Accepted Answer

If a person drinks coffee before going to sleep at night, they will have more dreams

Answer

As the amount of sleep a person get each night increases, the amount of tea they drink decreases.

Answer

As the amount of sleep a person get each night decreases, the amount of coffee they drink increases.

Answer

The amount of sleep a person gets each night does not affect the amount of coffee they drink

Question 2

Which of the following is the best example of null hypothesis?

Accepted Answer

There will be no relationship between the number of cookies you eat and your blood sugar level.

Answer

Asthe number of cookies, you eat decreases, your blood sugar will remain constant

Answer

As the number of cookies, you eat increases, your blood level will increase.

Answer

As the number of cookies, you eat increases, your blood sugar will decrease.

Question 3

It is referred as an assumption regarding the population parameter that is assumed to be true.

Accepted Answer

null hypothesis

Answer

process

Answer

decision

Answer

alternative hypothesis

Question 4

Which of the following statement is true on hypothesis testing?

Accepted Answer

Assumptions should be expressed into two opposing statements.

Answer

A second statement is needed to be proven as false.

Answer

Alternative statement must be conformed with the null hypothesis.

Answer

A null hypothesis is a statement that is always true.

Question 5

It is referred as an assumption regarding the population parameter that is contradicts to the null.

Accepted Answer

alternative hypothesis

Answer

null hypothesis

Answer

process

Answer

decision

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