Chirping Crickets Male crickets chirpby rubbing their front wings together, and
Chapter 3, Problem 18(choose chapter or problem)
Chirping Crickets Male crickets chirpby rubbing their front wings together, and theirchirping is temperature dependent. Crickets chirpfaster with increasing temperature and slower withdecreasing temperatures. The table below shows thenumber of chirps per second for a cricket, recorded at10 different temperatures.Chirps per second 20 16 19 18 18 16 14 17 15 16Temperature 88 73 91 85 82 75 69 82 69 83a. Which of the two variables (temperature and numberof chirps) is the independent variable, and which isthe dependent variable?b. Plot the data using a scatterplot. How would youdescribe the relationship between temperature andnumber of chirps?c. Find the least-squares line relating the number ofchirps to the temperature.d. If a cricket is monitored at a temperature of 80degrees, what would you predict his number ofchirps would be?
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