Wednesday, July 10, 2013


Question 1

What is the difference between interval/ratio and ordinal variables?

Question 2

What is the difference between a bar chart and a histogram?

Question 3

What is an outlier?

Question 4

What is the function of a contingency table, in the context of bivariate analysis?

Question 5

If there were a perfect positive correlation between two interval/ratio variables, the Pearson'sr test would give a correlation coefficient of:

Question 6

What is the name of the test that is used to assess the relationship between two ordinal variables?

Question 7

When might it be appropriate to conduct a multivariate analysis test?

Question 8

What is meant by a "spurious" relationship between two variables?

Question 9

A test of statistical significance indicates how confident the researcher is about:

Question 10

Setting the p level at 0.01 increases the chances of making a:

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