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1. |
What is implied when it is said that x and y have a negative correlation? |
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A. |
When the value of x is negative, the value of y negative. |
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B. |
When the value of x increases, the value of y decreases. |
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C. |
When the value of x increases, the value of y does not necessarily increase or decrease. |
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D. |
When the value of x increases, the value of y increases. |
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Hint |
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2. |
Which relationship would most likely have a positive correlation? |
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A. |
the amount of memory in computer, and the number of keys on the keyboard. |
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B. |
the rate at which a train travels, and the time it takes for it to reach its destination. |
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C. |
the number of tickets sold for a baseball game, and the number of hotdogs sold at the game. |
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D. |
the number of miles driven, and the number of gallons of gas in the car. |
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Hint |
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3. |
Which scatter plot shows that x and y have no correlation? |
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A. |
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B. |
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C. |
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D. |
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Hint |
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4. |
Which scatter plot shows that x and y have a negative correlation? |
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B. |
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C. |
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D. |
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Hint |
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5. |
Which relationship would most likely have a negative correlation? |
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A. |
A person's height and the person's shoe size. |
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B. |
A person's age, and the address of the person. |
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C. |
The number of pizzas ordered, and the total price of the bill. |
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D. |
The number of miles driven, and the number of gallons of gas in the car. |
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Hint |
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