In order to predict whether a certain set of random sample scores could possibly be part of a given population, the researcher could use
A) the z score equivalents of each sample score
B) the percentile equivalents of each sample score
C) the one-sample t test
D) the interdecile range

Question

Quizplus · Accepted Answer

The one-sample t test is used to determine whether a sample is representative of a population or not. The t test compares the mean of the sample to the mean of the population and takes into account the sample size and standard deviation of the sample. This allows the researcher to determine the degree of variability between the sample and the population and make a decision about whether the sample could possibly be part of the population. The other options (A, B, and D) do not provide enough information to determine whether a sample is representative of a population.

In Order to Predict Whether a Certain Set of Random