Determine whether the samples are independent or dependent A

Determine whether the samples are independent or dependent.

A data set includes the age at marriage for 130 randomly selected married?

couples.

Choose the correct answer below.

A.

The samples are?

independent?

because there?

is not?

a natural pairing between the two samples.

B.

The samples are?

dependent?

because there?

is?

a natural pairing between the two samples.

C.

The samples are?

dependent?

because there?

is not?

a natural pairing between the two samples.

D.

The samples are?

independent?

because there?

is?

a natural pairing between the two samples.

Solution

Answer to the question)
Since the data contains age of 130 couples, it implies 130 ages of husbands and wifes is included

Thus it is matched pair data

the data is dependent, as there is natural pairing due to the relaiton of husband and wife relation

Thus the correct answer choice is B