AP Statistics 2017

CHAPTER 5 Overview of Statistics/Basic Vocabulary IN THIS CHAPTER Summary: Statistics is the science of data anal ...

Quantitative versus Qualitative Data Quantitative data or numerical data are data measured or identified on ...

the average height of the students in our sample to estimate the true average height of the population from whi ...

fiasco, the Digest went bankrupt and out of business the following year. If you are wondering why the Digest was ...

Answer: False. The data are measured on a numerical, not categorical, scale. True or False: The data ...

(a) The proportion of all voters who will vote Democrat in the next election (b) The proportion ...

CHAPTER 5 Overview Which of the following would not be considered a quantitative variable? (A) He ...

(C) The sample is unlikely to be representative of the American population. (D) A random sample ...

CHAPTER 6 One-Variable Data Analysis IN THIS CHAPTER Summary: We begin our study of statistics by considering di ...

If you are given an instruction to “describe” a set of data, be sure you discuss the shape of the data (includ ...

This distribution is skewed left because the tail is to the left. If the tail were to the right, the ...

Using the 10’s digit for the stem and the units digit for the leaf made good sense with this data ...

It can be seen from this comparison that the scores on Quiz #1 (on the left) were generally higher ...

Consider again the quiz scores we looked at when we discussed dotplots: Because the data are integral an ...

The following is the histogram of the same data (with bar width 5) produced by the TI-83/84 calculator: Cal ...

than 27.5? solution: From the graph we see that there is 1 value in the first bar, 2 in the second, 6 ...

solution: Both the stemplot and the histogram show symmetric, bell-shaped distributions. The graph is symmetric ...

that we have access to an entire population, or that we are discussing a distribution, we use the statisti ...

The 1-Var Stats procedure, described in the previous Calculator Tip box, will, if you scroll down to the secon ...

Variance and Standard Deviation One measure of spread based on the mean is the variance . By definition, the ...