Statistics
Hypothysis testing (For O/L Maths)
Bias, leading quesions
Some Statistics questions (And Solutions)
Activities Solutions
The Mean from a Grouped Frequency Table
The Median and Mode from a Grouped Frequency Table
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Types of samples:
Simple Random Sampling
Systematic sampling
Convenience Sampling
Stratified sampling
Cluster Sampling
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Correlation Coefficient and Line of best fit (Linear Regression)
Regression Line Formula
(Not Required for Leaving Cert.)
Using the Regression Formula
(Not Required for Leaving Cert.)
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Standard Deviation
Covariance - Not required for Leaving Cert.
Variance and Standard Deviation
Deriving the Correlation Coefficient Formula - Not Required for Leaving Cert.
Range and Quartiles
Percentiles
Z-Scores
The Central Limit Theorem
A Central Limit Theorem Problem
Hypothesis testing and P-Values
More Hypothesis testing
Confidence Interval for the Mean
Confidence Interval for the Proportion
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Confidence Intervals for the Mean and Proportion. Hypothesis Testing
Questions and solutions
(By George Humphries)
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