AQA Statistics 1 (GCE)

AQA Statistics 1 (GCE)

1. Numerical Measures

   • Mode, Median and Mean
   • Standard Deviation
   • Linear Scaling
   • Choice of Numerical Methods

2. Probability

   • Elementary Probability
   • Addition Law + Mutually Exclusive Events
   • Multiplication Law, Conditional Probability + Independent Events

3. Binomial Distribution

   • Discrete Random Variables
   • Conditions for applying a Binomial Distribution
   • Calculation of Binomial probabilities using the formula
   • Calculation of binomial probabilities using tables
   • The mean, variance and standard deviation of a binomial distribution

4. Normal Distribution

   • Continuous Random Variables
   • Properties of Normal Distributions
   • Calculations of Probabilities
   • The mean, variance and standard deviation of a normal distribution

5. Estimation

   • Population and Sample
   • Unbiased estimates of a population mean and variance
   • The sampling distribution of the mean of a random sample from a normal distribution
   • The Central Limit Theorem
   • Confidence Intervals for the mean of a normal distribution with known variance
   • Confidence Intervals for the mean of a distribution with unknown variance using a normal approximation
   • Inferences from confidence intervals

6. Correlation and Regression

   • Calculation and interpretation of the product moment correlation coefficient
   • Identification of response and explanatory variables
   • Calculation of least squares regression lines
   • Calculations of residuals
   • Linear Scaling