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More turnovers? Refer to Exercise 15 Does the fact that r=0.92 suggest

that an increase in turnovers will cause NBA players to score more points? Explain your reasoning.

Short Answer

Expert verified

No, the correlation does not suggest that an increase in turnovers will cause NBA players to score more points.

Step by step solution

01

Given information

Correlation, r = 0.92

02

Explanation

In the previous problem,

We concluded that

Turnovers and points have a significant and positive relationship.

However,

The association does not mean causation.

That means

An increase in turnovers does not necessarily cause NBA players to score more points.

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Most popular questions from this chapter

Predicting wins Earlier we investigated the relationship between x =

payroll (in millions of dollars) and y = number of wins for Major League Baseball teams in 2016. Here is a scatterplot of the data, along with the regression line y^=60.7+0.139x

a. Predict the number of wins for a team that spends \(200 million on payroll.

b. Predict the number of wins for a team that spends \)400 million on payroll.

c. How confident are you in each of these predictions? Explain your reasoning.

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a. Sketch a scatterplot of the data using sugar as the explanatory variable.

b. Use technology to calculate the equation of the least-squares regression line for predicting the number of calories based on the amount of sugar. Add the line to the scatterplot from part (a).

c. Explain why the line calculated in part (b) is called the 鈥渓east-squares鈥 regression line.

More crying? Refer to Exercise 16Does the fact that r=0.45 suggest that making an infant cry will increase his or her IQ later in life? Explain your reasoning.

Suppose that the measurements of arm span and height were converted from centimeters to meters by dividing each measurement by 100. How will this conversion affect the values of r2 and s?

a. r2 will increase, s will increase.

b. r2 will increase, s will stay the same.

c. r2 will increase, s will decrease.

d. r2 will stay the same, s will stay the same.

e. r2 will stay the same, s will decrease.

If we leave out the low outlier, the correlation for the remaining 13 points in the preceding figure is closest to

a. 鈭0.95.

b. 鈭0.65.

c. 0.

d. 0.65.

e. 0.95.

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