Statistical Symbols and Definitions Matching Assignment Match the letter of the definition on the
right to the appropriate symbol on the left. Symbols Definitions
1. S (Uppercase Sigma) ____ b. Summation
2. m (Mu) ____ h. Population mean
3. s (Lowercase Sigma) ____ e. Population standard deviation
4. p (Pi) ____ i. Probability of success in a binomial trial
5. e (Epsilon) ____ g. Maximum allowable error
6. c2 (Chi Square) ____ d. Nonparametric hypothesis test
7. ! ____ c. Factorial
8. H0 ____ a. Null hypothesis
9. H1 ____ f. Alternate hypothesis
Match the letter of the term on the right to the definition of that term on the left.
Definitions Terms
1. The average of the squared deviation scores from a distribution mean. ____ d. Variance
2. Midpoint in the distribution of numbers. ____ e. Median
3. It has to do with the accuracy and precision of a measurement procedure. ____ a. Reliability
4. Examines if an observed causal relationship generalizes across persons, settings, and times. ____
f. External validity
5. The difference between the largest and smallest score in a distribution. ____ i. Range
6. The arithmetic average. ____ g. Mean
7. Refers to the extent to which a test measures what we actually wish to measure. ____ h. Internal
validity
8. The most frequently occurring value in a set of numbers. ____ b. Mode
9. The conclusion from research conducted on a sample population to the population as a whole.
____ c. Generalization
10. Examines whether the conclusion that we draw about a demonstrated experimental relationship
truly implies cause. ____ k. Validity
11. Determines how far away the data values are from the average. ____ j. Standard deviation