Every Day for the Last Month, Boris Has Recorded the Number

question 118

Multiple Choice

Every day for the last month, Boris has recorded the number of times it has rained and the height of all of his tomato plants.He wants to see if the two are correlated, so he creates a scatterplot of the data.He sees a pattern that he could probably draw a line through (from the bottom left going up to the top right) as rainy days and plant height both increase.Should he proceed in calculating a correlation, and if so, why?

• A) No; the data appear skewed and not a normal distribution.
• B) No; the data appear to have a nonlinear relationship.
• C) Yes, there appears to be a nonlinear relationship.
• D) Yes, there appears to be a linear relationship.

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Definitions:

Price of Gasoline

The cost per unit of gasoline, influenced by factors such as crude oil prices, taxes, demand, and supply.

TC Curves

They represent total cost curves, which show the total cost of producing different quantities of a good or service at various levels of production.

Sunk Cost

A cost that has already been incurred and cannot be recovered.

Nonrefundable

Describing a payment or deposit that cannot be returned or refunded back to the payer under most circumstances.