Descriptive and Inferential Statistics Answers

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

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

Standard deviation refers to the __________.A.statistics used to organize, summarize, and describe sample dataB.value within a given set of data in its original formC.average distance between variable scores and the mean in a set of dataD.difference between the largest and smallest variable scores in a set of data

The range and standard deviation of a distribution are __________. A.measures of central tendencyB.measures of variabilityC.types of transformed scoresD.types of percentiles

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

Subtracting the lowest score in a data set from the highest is the appropriate way to calculate the __________. A.range B.medianC.standard deviationD.mode

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

The statement “More high school boys than girls will disagree with school rules” is an example of a(n) __________. A.invalid research claimB.inferential statistics studyC.directional research hypothesisD.nondirectional research hypothesis

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

Correlational research results depicting a correlation coefficient of 0.5 means that the associated variables demonstrate a __________ relationship. A.weak negative B.moderately positive C.weak positive D.strong positive