You Are Conducting a Correlational Analysis on Your Data

question 88

Multiple Choice

You are conducting a correlational analysis on your data. You find a correlational coefficient of +1.73. You immediately know that __________.

• A) the results must be highly significant
• B) the effect was highly effective
• C) there was a statistically significant difference in your group
• D) you must have made an error in your calculations

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Definitions:

Population Means

The average value of a set of characteristics within a total population.

Sample Means

Refers to the average values computed from multiple samples from a population, usually to estimate the population mean.

Pooled Variance

combines the variances of two or more groups, assuming they have the same underlying variance, to estimate a common variance.

Common Variance

The variance shared by two or more variables, often used in the analysis of variance.