A Biologist Believes That Temperature Affects the Croaking (Noise Making

question 63

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A biologist believes that temperature affects the croaking (noise making, not dying) behavior of frogs. A group of laboratory frogs are randomly divided into 2 groups and placed in identical terrariums. The control group of frogs' is kept at a constant 22 ° C. The experimental group is kept at a temperature of 30 ° C. The number of croaks emitted over a 10-minute period are counted. The data are as follows:

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Definitions:

Positive Prices

Prices that are above zero, indicating that a commodity has value and is being traded in a market.

Net Earnings

The amount of profit that remains after all operating expenses, taxes, and interest are subtracted from total revenue.

Interest Rates

The percentage of a sum of money charged for its use, indicating the cost of borrowing money or the return on invested savings.

Inflation Rates

The pace at which overall prices for goods and services climb, diminishing the value of money.