Statistics and Probability

Worked examples (5)

• 1Mean from a list
• 2Median
• 3Mode and range
• 4Estimated mean from grouped data
• 5Modal class

Worked examples (6)

• 1Basic probability
• 2OR rule (mutually exclusive)
• 3AND rule (independent events)
• 4Expected frequency
• 5Relative frequency (experimental)
• 6Conditional probability without replacement

Worked examples (4)

• 1Calculate frequency density
• 2Build histogram from a frequency table
• 3Find frequency from histogram
• 4Estimate a partial-bar frequency

Worked examples (4)

• 1Build a cumulative frequency table
• 2Median from cumulative frequency curve
• 3Interquartile range
• 4Box plot from a five-number summary

Worked examples (3)

• 1Tree with replacement (independent)
• 2Tree without replacement
• 3At least one (use complement)

Worked examples (4)

• 1Fill a Venn diagram
• 2Probability from a Venn diagram
• 3Conditional probability from Venn
• 4Two-way table

Worked examples (5)

• 1Build a pie chart
• 2Scatter graph: correlation
• 3Line of best fit and prediction
• 4Frequency polygon
• 5Stem-and-leaf median