For Questions , Use the Following Narrative

question 17

Essay

For Questions , use the following narrative
Narrative: Crickets and temperature
A researcher wants to explore the relationship between cricket chirps and temperature.The following scatterplot shows data collected over a random sample of 8 days.Each day, the temperature was recorded, as well as the number of times a cricket chirped in 15 seconds.The correlation was found to be over .90.The least squares line was found to be Temperature (in Fahrenheit) = 40 + 1.0 × (#Chirps in 15 seconds).
-{Crickets and temperature narrative} On nights when crickets chirp 20 times in 15 seconds, what do you predict the temperature to be, on average?

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Definitions:

Correlation

A statistical measure that indicates the extent to which two or more variables fluctuate together.

Regression

A statistical method used to model and analyze the relationships between dependent and independent variables to predict outcomes.

Regression Coefficient

A value that represents the amount by which a dependent variable changes when a related independent variable changes by one unit.

Regression

A statistical method used to determine the relationship between a dependent variable and one or more independent variables.