Mr. DeYoung recently did a science experiment comparing the number of minutes passed to the temperature (F) in a glass of water. He writes the function rule T = -1.8M+70 to model his data. What does the slope of this equation mean to Mr. DeYoung?

Mr. DeYoung recently did a science experiment comparing the number of minutes passed to the temperature (F) in a glass of water. He writes the function rule T = -1.8M+70 to model his data. What does the y-intercept of this rule mean to Mr. DeYoung?

Mrs. Komac gathered some data on the time spent studying for a test (minutes) and the final grade on the test (percent out of 100). She draws a trend line on her graph and writes the rule G = 2.75T - 6 to fit her trend line. What does the slope mean?

Mrs. Komac compared the time spent studying for a test (minutes) and the final grade on the test (percent out of 100). She draws a trend line on her graph and writes the rule G = 2.75T - 6 to fit her trend line. What does the y-intercept mean?

What is the purpose of a trend line?

Is it OK to have a negative y-intercept when you write the rule for a trend line?

You make a graph that compares number of cookies sold (x) to number of milks sold (y). You see a positive correlation. What does that mean?

You make a graph comparing the weight of an object (x) to the force needed to lift it (y). What is true about this data?

Mrs. Komac had the rule G= 2.75T - 6 to model study time (T) and grade (G). What grade would you expect for 10 minutes of studying?

In Mr. DeYoung's experiment, T = -1.8M + 70 was his model. When will his water freeze (32 degrees)?

You are analyzing a scatter plot comparing the number of students attending a morning review session and the final average grade on a test. You input the data into a calculator and get an r value of 0.73. Which is NOT a true conclusion?

Which of the following data comparisons would show causation?

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