13A. If we do an inferential statistical test that exceeds the .01 level of significance, we can say that

1. 1.there is a real difference between the samples.2.the chances that the samples came from the same population are small.3.the samples are not significantly different statistically.4.the chances that the samples came from different populations is small.

B. Which of the following is a measure of variability?

1. 1.mean2.standard deviation3.mode4.median

C. It is possible for a distribution of scores to have more than one ____.

1. 1.mode2.standard deviation3.mean4.median

D. For numerical scores measured on an interval or ratio scale of measurement, which measure of central tendency is most commonly used?

1. 1.standard deviation2.median3.mode4.mean