1.   What is implied when it is said that x and y have a negative correlation?
    A. When the value of x increases, the value of y does not necessarily increase or decrease.
    B. When the value of x increases, the value of y decreases.
    C. When the value of x is negative, the value of y negative.
    D. When the value of x increases, the value of y increases.
    Hint

  2.   Which relationship would most likely have a positive correlation?
    A. the number of miles driven, and the number of gallons of gas in the car.
    B. the amount of memory in computer, and the number of keys on the keyboard.
    C. the rate at which a train travels, and the time it takes for it to reach its destination.
    D. the number of tickets sold for a baseball game, and the number of hotdogs sold at the game.
    Hint

  3.   Select the correct graph for the relation y = -2x if the domain is
{-2, -1, 0, 1, 2}.
    A. B.
    C. D.
    Hint

  4.   What is implied when it is said that x and y have a positive correlation?
    A. When the value of x decreases, the value of y does not necessarily increase or decrease.
    B. When the value of x increases, the value of y increases.
    C. When the value of x increases, the value of y does not necessarily increase or decrease.
    D. When the value of x increases, the value of y decreases.
    Hint

  5.   What is implied when it is said that x and y have no correlation?
    A. When the value of x increases, the value of y does not necessarily increase or decrease.
    B. When the value of x increases, the value of y increases.
    C. When the value of x increases, the value of y decreases.
    D. When the value of x decreases, the value of y decreases.
    Hint



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