AP Statistics 2017

could be more than 2.333 standard deviation above the mean)—it’s just the strongest statement we can m ...

after the program and performed better than all but one of the other students. We don’t know that there is ...

The fact that the mean and median are virtually the same, and that the boxplot shows that the data are ...

So 0.1151 of the terms in the distribution would be less than 62′′. This means that 0.1151(300) = 34 ...

Solutions to Cumulative Review Problems a, c, and d are quantitative. a, d, and e are continuous; b a ...

CHAPTER 6 One-Variable Data Analysis The stemplot shows the 2012 median household income for all 50 U.S. ...

(A) The masses of eggs from Blue Sky Farm have a standard deviation that is more than ...

(C) (D) (E) ...

The heights of women ages 30 to 39 years are approximately normally distributed, with a mean o ...

CHAPTER 7 Two-Variable Data Analysis IN THIS CHAPTER Summary: In the previous chapter we used exploratory data ...

In the previous chapter, we looked at several different ways to graph one-variable data. By choosing ...

In the previous example, we were interested in seeing whether studying is associated with on test perform ...

example: Which of the following statements best describes the scatterplot pictured? I. A line mi ...

or more simply, the correlation coefficient , denoted by the letter r . The correlation coefficient is a measure of ...

powerful impact on r and may cause us to overinterpret the relationship. You must look at the scatterplot ...

factory. Enter CATALOG and scroll down to “Diagnostic On.” Press ENTER twice. Now you are ready to find r ...

For these data, it turns out that r = .999986. Is the increase in number of ministers responsible for the inc ...

The scatterplot (see page 94 ) leads us to believe that the form of this relationship is linear. This ...

For n ordered pairs (x, y ), we calculate: , , sx , sy , and r . Then we have: example: For ...

putting the “Hours Studied” data in L1 , the “Test Score” data in L2 , and doing LinReg(ax+b)L1,L2 . Wh ...