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Statistics & Probability Revision (Yr 8)

  • Game Code: 2772025
  •  English    22     Public
    Revision questions on Stats & Prob
  •   Study   Slideshow
  • A survey was done with A representing people who like apples and B representing people who like bananas. What is the probability of randomly selecting someone who likes either bananas or apples?
    60% or 6/10 or 3/5
  •  20
  • What is the range?
    28
  •  15
  • What is the median?
    46
  •  25
  • How many people were surveyed?
    11
  •  15
  • Two 6-sided dice are rolled and the numbers added. What is the probability of getting a sum of 12?
    1/36 or 0.028
  •  20
  • Two 6-sided dice are rolled and the numbers added. What is the probability of getting a sum of 1?
    0
  •  10
  • What is one difference between a histogram and a column graph?
    No gaps between columns. Column graphs generally for categorical data.
  •  15
  • A represents people who like apples and B represents people who like bananas. What is the probability that a student likes apples or bananas but not both?
    40%, 4/10, 2/5, 0.4
  •  20
  • A survey question asks how many cars you own. What type of data is being collected? (Continuous, Discrete, Ordinal or Nominal)
    Discrete
  •  15
  • Looking at the frequency table, which score is the mode?
    3
  •  15
  • The 2-way table shows results from students in a class. What is the probability of randomly picking someone who is left-handed?
    11/37
  •  15
  • If you roll a standard die 90 times, how many times would you expect to get a number more than 4?
    30
  •  20
  • Bob is a Year 8 student who wants to find out the favourite sport of Year 8 students at his school. He surveys his own class to get results. What is the population in this case?
    All year 8 students at his school.
  •  20
  • Bob is a Year 8 student who wants to find out the favourite sport of Year 8 students at his school. He surveys his own class to get results. What is the sample in this case?
    His class.
  •  20
  • What is the mean of the following data set: 3, 8, 8, 8, 11, 17, 17
    10.29
  •  20
  • Angela scored the following runs in her last seven cricket matches. If she scores 25 in her next match, how will it affect the mean and median?: 3, 5, 8, 8, 8, 17, 17
    The mean will increase, the median will stay the same
  •  25
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