OCR S1 2014 June — Question 3

Exam BoardOCR
ModuleS1 (Statistics 1)
Year2014
SessionJune
TopicMeasures of Location and Spread
TypeCalculate statistics from discrete frequency table
3 The table shows information about the numbers of people per household in 280900 households in the northwest of England in 2001.
Number of
people
12345 or more
Number of
households
8690092500450003710019400
  1. Taking ' 5 or more' to mean ' 5 or 6 ', calculate estimates of the mean and standard deviation of the number of people per household.
  2. State the values of the median and upper quartile of the number of people per household.
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