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A researcher measures eye color for a sample of n = 50 people.  Which measure of central tendency would be appropriate to summarize the measurements?

A distribution of scores has a mean of µ = 50.  One new score is added to the distribution and the new mean is found to be µ = 48.  From this result, you can conclude that the new score was ____.

In a correlational study:

Participants recorded their body temperatures to see if their average body temperature matched the average body temperature of the population. Body temperature is measured on what level?Body Temperature97.8 °F96.3 °F99.0 °F101.0 °F98.2 °F

For an experiment comparing two methods for teaching social skill training to children with autism, the independent variable is ____ and the dependent variable is ____.

A distribution of scores has a mean of µ = 50.  One new score is added to the distribution and the new mean is found to be µ = 48.  From this result, you can conclude that the new score was ____.

Which set of sample characteristics is most likely to produce a significant value for the independent-measures t statistic?

The regression equation that best “fits” the data points is calculated by:

One sample has n = 4 scores and M = 10.  A second sample has n = 6 scores and M = 5.  If the two samples are combined, then what is the mean for the combined sample?

A researcher conducts a repeated-measures study to evaluate a treatment with a sample of n = 16 participants and obtains a t statistic of t = 1.94.  The treatment is expected to increase scores and the sample mean shows an increase. Which of the following is the correct decision for a hypothesis test using a = .05.