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Statistical problems - drawing conclusions

Quiz by Oak National Academy: KS3 Maths (2)

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6 questions
Show answers
  • Q1
    In a data investigation, the __________ is the entire set of people, creatures, plants or items that make up the whole group which is being studied.
    extrapolation
    sample
    population
    correlation
    30s
  • Q2
    ______ is the relationship between two variables on a scatter graph.
    Users enter free text
    Type an Answer
    30s
  • Q3
    Extrapolation is the process of estimating unknown values that are ______.
    based on the mean of the data
    inside the range of existing data
    outside the range of existing data
    30s
  • Q4
    What type of correlation does the scatter graph show?
    Question Image
    no correlation
    negative correlation
    positive correlation
    30s
  • Q5
    A data investigation finds a positive correlation between temperature and ice cream sales. What does this suggest?
    As the temperature increases, the number of ice cream sales decreases.
    There is no relationship between the temperature and ice cream sales.
    Ice cream sales cause the temperature to increase
    As the temperature increases, the number of ice cream sales also increases.
    30s
  • Q6
    The mean for the following numbers data set 8.2, 7.4, 11.3, 9.1 is ______.
    Users enter free text
    Type an Answer
    30s

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