Descriptive and Inferential Statistics Answers

A researcher may use a two-tailed test to evaluate a Nondirectional hypothesis. Please select the best answer from the choices provided

Descriptive statistics is used in order to analyze the relationship between variables.

The middle score in a set of given data is the __________. A.meanB.medianC.mode D.range

A _________ is a graphical representation of association between variables. A. scatterplot B. correlation plot C. graphical plot D. variable plot Please select the best answer from the choices provided

A research study that produces a correlation coefficient of -0.90 indicates __________ relationship between variables. A.a medium positiveB.a strong negative C.no D.a weak negative

In a normal distribution, the mean, median, and mode are the same value.

Statistics used to analyze sample data in order to make conclusions about a population are called __________ statistics.A.nondirectional B.directional C.inferential D.descriptive

The average distance between the variable scores and the mean in a set of data is the __________. A.rangeB.standard deviation C.meanD.median

A __________ score allows a researcher to compare scores across different scales.A.raw B.distributed C.standard D.deviated