- Question 115 marks
Two four-sided dice: probabilities, expectation, variance and a missing value in a cumulative distribution.
- Question 212 marks
Range, median, quartiles and standard deviation from a stem-and-leaf diagram, then adding data.
- Question 36 marks
Complete a tree diagram and find a conditional probability.
- Question 49 marks
Three-set Venn diagram, a test for independence and conditional probability.
- Question 513 marks
Normal probabilities, and a mean and standard deviation from two conditions.
- Question 612 marks
Correlation coefficient, a regression line and its meaning, and the effect of rescaling.
- Question 78 marks
Read a box plot, interpolation and outliers, then a normal model.