Study

Dot Plots

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  • The data below represents test scores on a recent test. What is the best measure of center to represent the data?
    Median
  • Which would be the best measure to represent the data? (Mean, Median, or Mode?)
    Mode
  • Describe the shape of the data.
    Skewed right
  • Which measure of center would be the best one to represent the data? Mean, Median, or Mode?
    Median. When there are outlier, the mean will be affected and is therefore not a good representation of the data.
  • The data represents the number of siblings that Mrs. Clark's students have. 1, 2, 3, 2, 2, 5, 2, 2, What would be the best measure of center to represent the data? (Mean, Median, or Mode?)
    Median
  • Describe the shape of the data.
    Symmetrical
  • Which would be the best measure of center to represent the data? (Mean, median or mode?)
    Mean
  • Describe the shape of the data.
    Skewed right.
  • What do we call the one value all the way to the left on the dot plot?
    An outlier
  • What is the MODE of the data?
    30
  • John asked 30 students what genre of music they preferred. What type of data is he collecting?
    categorical
  • The data below represent the test scores on a recent test. What is the MEAN score? 73, 75, 82, 82, 87
    79.8
  • Is the data numerical or categorical?
    Categorical
  • Describe the shape of the data.
    Skewed left
  • Which class has the greater RANGE?
    Class A
  • To find the median of this data, you must first make a list. Write this list on the board.