In a Memory Test,the Test of Statistical Significance Used Showed

question 3

Multiple Choice

In a memory test,the test of statistical significance used showed a probability of .025 that the group mean of the experimental group and the group mean of the control group would differ as much as they do by chance alone.This allows us to

• A) estimate the percent of variance between the two group means.
• B) establish a normal curve, regarding the memory score changes that occurred.
• C) calculate the measures of central tendency and measures of variability for this experiment.
• D) conclude with reasonable certainty that the drug actually did improve memory scores.