Study

Averages

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  • In a number data set, what do you get when you let the largest value subtract the smallest value?
    Range
  • Which average best describes the data? 2, 4, 6, 3, 3, 7, 3, 5, 3, 3
    Mode because '3' is repeated many times
  • What is the middle value called when you put all the numbers in order?
    Median
  • Here are the number of time (in minutes) 7 students spend on going from their homes to school by bike: 7 10 10 14 18 18 18. What is the median?
     14.
  • Lisa asks 5 of her friends to know what their favourite food is. The result is listed as follows: Chicken/ pizza/ chips/ chicken/ chicken. Which food is the mode?
    Chicken
  • Which average best describes the data (Mean or Median)? 3, 5, 2, 6, 8, 4, 20
    Median because there is an outlier (20)
  • What is the most common value in a data set called?
    Mode
  • What is the mean of the shoe sizes in a family: 4, 6, 2, 8, 10?
    6
  • 'a' is the total value divided by the number of values. What is 'a'?
    Mean
  • Here are the height (in cm) of 10 kids in a baseball club. What is the range of their height? 140 145 147 144 150 148 155 153 142 150
    15