Arafa has collected data on the relationship between physical attractiveness and judgments of personality characteristics. In order to determine if the results obtained from the sample are representative of the population, Arafa will need to employ statistics.

Inferential

Step-by-step explanation:

The process of drawing inferences about a population on the basis of information contained in a sample taken from the population is called Statistical Inferences.

In the given question the inferences have to be drawn from the sample which is representative of the population.

So the best answer is inferential statistics.

50 min

step-by-step explanation:

they will be decreasing both their times in half

60 / 2 = 30

40/2 = 20

30 + 20 = 50

the answer is a

step-by-step explanation: