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Math 30-3
Name: _______________________________________
Unit 3 – Statistics and Probability
Statistics Review Guide
S.1 - Solve problems that involve measures of central tendency, including:
• mean
• median
• mode
• weighted mean
• trimmed mean.
[C, CN, PS, R]
A. Mean

Definition

Formula (how do you calculate it)

Example:
Math 30-3
Name: _______________________________________
B. Median

Definition

Formula (how do you calculate it)

Example:
C. Mode

Definition

Formula (how do you calculate it)

Example:
Math 30-3
Name: _______________________________________
D. Weighted Mean

Definition

Formula (how do you calculate it)

Example:
E. Trimmed Mean

Definition

Formula (how do you calculate it)

Example:
Math 30-3
Name: _______________________________________
S.2 - Analyze and describe percentiles.
[C, CN, PS, R]
F. Percentiles

Definition

Example – Explaining a percentile

Example – Given a percentile, answer a problem.

Example – Calculate a percentile
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