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- The five teachers in a small school's music department have taught for these numbers of years:
- A beekeeper has 60 hives.
- A school has 600 students.
- A ferry company times a random sample of its crossings, in minutes.
- The five students in a pottery class made 4, 8, 9, 11 and 13 bowls this term.
- Data set A is 3, 5, 10.
- A population of four whole numbers has mean 10 and standard deviation = 3.
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Computing a standard deviation, sample and population: the lesson ›More Chapter 1 worksheets: Exploring one-variable data
- 1.1Types of data: categorical, numerical, discrete, continuous
- 1.2Making a histogram and choosing the bin width
- 1.3Describing a distribution
- 1.4Quartiles and the five number summary
- 1.5Computing a standard deviation, sample and population
- 1.6Interpreting a standard deviation
- 1.7Resistant and non resistant measures
- 1.8Box plots that show outliers
- 1.9Comparing two distributions
- 1.10Shifting and rescaling a data set
- 1.11z-scores and the empirical rule
- 1.12The normal distribution
- 1.13Normal calculations: areas and percentiles
- 1.14Cumulative frequency graphs and percentiles