Study

Scatterplots & Data

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  • What type of association: As one variable increases, the other variable increases.
    Positive
  • Using the equation below, predict the number of homes in the town in 2015. (x=years since 1995, y=number of homes)
    2305
  • Of the 6th grade students, find the relative frequency of those who ordered pizza to the nearest percent.
    49%
  • What type of association: The total number of miles driven and the total gallons of gas in the tank
    Negative
  • True or False: Of the students in the 6th grade, 333 ordered pizza.
    False
  • True or False: Scatter plot A has a stronger association than B.
    True
  • What is the y-intercept of this line?
    15
  • Using the equation below, predict the year the town had 1,213 homes. (x=years since 1995, y=number of homes)
    2002
  • What RATIO can be used to find the relative frequency of 8th grade Students?
    218/681
  • What type of association: The number of siblings a person has and the person’s GPA
    No association
  • True or False: Only scatter plot A shows negative association.
    True
  • What type of association: As one variable decreases, the other variable decreases.
    Positive
  • True or False: Of the students in the 8th grade, 128 ordered pizza.
    False
  • What type of association: As one variable increases, the other variable does not change.
    No association
  • What type of association: The number of guests at a hotel and the total water consumption
    Positive
  • What type of association: The number of people at a concert and the total concession sales
    Positive
  • What is the y-intercept of this line?
    40
  • Of the middle school students, find the relative frequency of those who own a smart phone to the nearest percent.
    68%
  • What is the slope of this line?
    5
  • What is a reasonable estimate of the gallons of gas in a tank if it has been 3 days since filling up?
    17
  • True or False: A total of 348 6th grade students ordered in the cafeteria.
    False
  • Of the elementary school students, find the relative frequency of those who own a smart phone to the nearest percent.
    24%
  • What is the slope of this line?
    -5/3
  • For every 5 days, the weight of the suitcase _____ by ___ pounds.
    increases, 20
  • True or False: Neither scatter plot appears to have any outliers.
    True
  • True or False: A total of 333 students ordered pizza.
    True