Determining Sample Size(英文版)(ppt 64页)

Determining Sample Size(英文版)目录：
1、What does Statistics Mean?
2、Population Parameter
3、Sample Statistics
4、Making Data Usable
5、Measures of Central Tendency
6、Population Mean
7、Sample Mean
8、Measures of Dispersion
9、Measures of Dispersion or Spread
10、The Range as a Measure of Spread
11、Deviation Scores
12、Average Deviation
13、Mean Squared Deviation
14、The Variance
15、Variance
16、Sample Standard Deviation
17、The Normal Distribution
18、Normal Distribution
19、Normal Curve: IQ Example
20、Standardized Normal Distribution
21、Standard Normal Curve
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