Exam 11: Data Analysis and Interpretation: Part Idescribing Data, confidence Intervals, correlation

When interpreting confidence intervals when there are three or more means,if two or more intervals overlap slightly,we should conclude that

To construct a confidence interval for a comparison between two independent group means we substitute the ____________ for a single sample mean.

The most commonly used measure of central tendency is the

The 95% confidence interval for a population mean is calculated as follows:

A score that is extreme and does not "go with" other scores in the distribution is called an

If a stem-and-leaf display were created for the following set of numbers,23,24,24,21,20,27,29,28,we would expect the digit 2 to be a

What does the width of a confidence interval tell us,and how does the size of a sample affect the width of a confidence interval for a population mean?

Which of the following is not a measure of dispersion or variability?

Suppose that research on intelligence and mental illness suggests that at any level of intelligence,the likelihood of being mentally ill or not is 50/50.That is,the correlation between measures of intelligence and mental illness is close to

Computer-assisted data analysis requires that the researcher have a good knowledge of

What does the "95" in a 95% confidence interval refer to?

Which of the following procedures would not be expected during the first stage of data analysis?

When calculating Cohen's d as a measure of effect size,the difference between two means is