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RES 341 Week 3 Statistical Symbols and Definitions Matching Assignment.




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RES 341 Research and Evaluation I
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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 Σ (Uppercase Sigma) __B__
a. Null hypothesis--
2 µ (Mu) __H__
b. Summation--
3 σ (Lowercase Sigma) __E__
c. Factorial--
4 π (Pi) __I__
d. Nonparametric hypothesis test--
5 ε (Epsilon) __G__
e. Population standard deviation--
6 χ
(Chi Square) ___D_
f. Alternate hypothesis--
7 ! __C__
g. Maximum allowable error--
8 H
h. Population mean--
9 H
i. Probability of success in a binomial trial
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__
a. Reliability
2 Midpoint in the distribution of numbers. __E__
b. Mode--
3 It has to do with the accuracy and precision of a
measurement procedure. __A__
c. Generalization
4 Examines if an observed causal relationship generalizes
across persons, settings, and times. __F__
d. Variance--
5 The difference between the largest and smallest score in a
distribution. __I__
e. Median--
6 The arithmetic average. __G__
f. External validity
7 Refers to the extent to which a test measures what we
actually wish to measure. _H___
g. Mean--
8 The most frequently occurring value in a set of numbers.
h. Internal validity
9 The conclusion from research conducted on a sample
population to the population as a whole. __C__
10 Examines whether the conclusion that we draw about a
demonstrated experimental relationship truly implies cause.
11 Determines how far away the data values are from the
average. __J__
i. Range--
j. Standard deviation
k. Validity
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