Study

Unit 6 Test Review

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  • An advertising agency took a survey of the types of shows people watch in two different cities. True or False: People in Topeka watch the news and dramas more than people in Chicago.
    True
  • An advertising agency took a survey of the types of shows people watch in two different cities. True or False: People in Topeka watch comedies more than any other show.
    False
  • An advertising agency took a survey of the types of shows people watch in two different cities. True or False: People in both cities watch about the same amount of reality television.
    True
  • What do you call the association where one variable increases while the other increases?
    Positive Association
  • What do you call the line that fits in the middle of the data values on a scatter plot?
    Trendline
  • How many cups of iced tea do you expect Summer to sell when it's 95 degrees outside?
    About 110
  • What do you call the association when there's a curve with the data points?
    Nonlinear Association
  • What do you call a value that gives the proportion at which the category occurs in the data set?
    Relative Frequency
  • What type of association is this? As gas prices go up, people drive less.
    Negative Association
  • What do you call a point that is far away from the other data values on a scatter plot?
    Outlier
  • Jamar surveyed households in two neighborhoods about whether they have pets. Fill in the missing parts of the two way table.
    48 homes have no pets in A, 107 homes have pets in B, 209 total homes with pets, 116 total homes with no pets
  • What's the relative frequency of a child choosing a sweet snack?
    71%
  • What type of association does this graph have? Also, does the trendline best fit the data?
    The graph has a negative linear association. Also, the trendline best fits the data.
  • Is there an outlier in this graph? If so, which point is the outlier?
    Yes, it's at (10, 130)
  • What do you call it when a scatter plot has more than one pattern?
    Clustering
  • What type of association is this? As the temperature increases, ice cream sales increase.
    Positive Association
  • What do you call the association that has dots scattered randomly with no set pattern?
    No Association
  • What do you call the association where one variable decreases while the other increases?
    Negative Association