AP Statistics 2017

• It is sensitive to the spread . The greater the spread, the larger will be the standard deviation. ...

We have a pretty good intuitive sense of what an outlier is: it’s a value far removed from the othe ...

There are positions in a dataset that give us valuable information about the dataset. The five-number summ ...

Note that there are two boxplots available. The one that is highlighted is the one that will show outlier ...

example: z 3 = 1.5 tells us that the value 3 is 1.5 standard deviations above the mean. z 3 = –2 ...

This is clearly approximately symmetric and mound shaped. We are going to model this with a curve that ...

Standard Normal Distribution Because we are dealing with a theoretical distribution, we will use μ and σ , ...

example: What proportion of the area under a normal curve lies to the left of z = –1.37? solution: There a ...

example: What proportion of the area under a normal curve lies between z = –1.2 and z = 0.58? solution: (i) ...

(ii) Using the calculator, we have normal-cdf(0.67,100) = 0.2514. We could get the answer from the raw data ...

A man would have to be at least 73.84′′ tall to be in the top 10% of all men. (ii) Using the calculator, ...

Answer: Bimodal, somewhat skewed to the left. For the graph of problem #1, would you expect the mean to ...

the dataset, it is the end of the upper whisker, as shown in the following diagram: A distribution ...

c. 74 d. 92 e. 97 The mean and standard deviation of a normally distributed dataset ar ...

The shape of this graph could best be described as a. Mound-shaped and symmetric b. Bimodal ...

c. 2.9 d. 3.7 e. 3.1 Free-Response Mickey Mantle played with the New York Yankees ...

packages to draw stemplots in this manner. For the histogram pictured below, what proportion o ...

Describe the distribution of ages of pennies (remember that the instruction “describe” means to discuss cente ...

On the first test of the semester, the class average was 72 with a standard deviation of 6. On th ...

can’t actually compute the upper boundary for an outlier since the third quartile is y , but even if ...