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Statistics & Parameters: 9.1-9.3 by Mind Map: Statistics & Parameters:
9.1-9.3
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Statistics & Parameters: 9.1-9.3

Parameter

Associated with Populations

Population Parameter

Fixed, unchanging value

Statistic (Sample Statistic)

Associated with Samples

Sample estimate

Variable

Statistical Inference

Confidence intervals

Hypothesis Testing (Significance testing)

Null value

Statistical significance

Big 5 Parameters

Categorical Variables

1 One population proportion (or probability), Population Proportion between 0 and 1

2 Difference in two population proportions, Relative Risk

Quantitative Variables

3 One Population Mean

4 Population mean of paired differences (dependent)

5 Difference in two population means (independent), Independent Samples

Sampling Distribution

Mean Value

Standard Deviation

Standard error