[광고홍보연구방법론]기초통계(Basic Statistics)(영문)

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[광고홍보연구방법론]기초통계(Basic Statistics)(영문)에 대한 자료입니다.
목차
1.Basic Statistics
2.SPSS 101
3.Making Sense of Data
본문내용
Mean
sum of all the scores divided by the number of scores
The mean is a good measure of central tendency for roughly symmetric distributions
It can be misleading in skewed distributions since it can be greatly influenced by extreme scores.
Variance
The variance is a measure of how spread out a distribution is.
It is computed as the average squared deviation of each number from its mean.
For example, for the numbers 1, 2, and 3, the mean is 2 and the variance is:
Standard Deviation
the square root of the variance
The probability that the observed relationship or a difference in a sample occurred by pure chance, and that in the population from which the sample was drawn, no such relationship or differences exist
Example, a p-value of .05
5% probability that the relation between the variables found in our sample is a "fluke."
참고문헌
U of Texas: SPSS for Window – Getting started
www.utexas.edu/its/rc/tutorials/stat/spss/spss1/index.html
Introduce basic data manipulation with SPSS
Garson’s Statnotes
www2.chass.ncsu.edu/garson/pa765/statnote.htm
Includes in-depth discussions of a variety of introductory, intermediate, and advanced statistical topics; most are illustrated using SPSS, including annotated SPSS output.