Chap 8 Review

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Exercise 1 What is the period of the function $\sin (6\pi t)$?

1/3       1/2       2       3       6      

question id: drill-Quiz-2-15

Exercise 2 What is the period of $g(t)$? $$g(t)\equiv \frac{5}{\sin (2\pi t)}$$

1       5       $2\pi /5$       $5/2\pi$       $g(t)$ isn’t periodic.      

question id: drill-Quiz-2-13

Exercise 3 What is the period of $g(t)$? $$g(t)\equiv \text{dnorm}(\frac{2\pi }{5}(t-3))$$

1       5       $2\pi /5$       $5/2\pi$       $g(t)$ isn’t periodic.      

question id: drill-Quiz-2-12

Figure 1: A bump function

Exercise 4 One of the following choices is the standard deviation of the function graphed in Figure 1. Which one?

0       1       2       3       4      

question id: drill-Quiz-2-8

Exercise 5  

Figure 2: .

In Figure 3, one of the curves traces the pattern-book exponential function, the other is a scaled version of it. Which curve is for the pattern-book function?

black       blue      

question id: drill-rev2-06-a

Exercise 6 What is the value of the parameter “mean” for the function shown in Figure 3?

-2       -1       0.5       1       2       “mean” is not a parameter of this function.      

question id: drill-M06-1

Figure 3: .

Exercise 7 What is the value of the parameter “sd” for the function shown in Figure 3?

-2       -1       0.5       1       2       “sd” is not a parameter of this function.      

question id: drill-M06-2

Figure 4: .

Exercise 8 What is the value of the parameter “mean” for the function shown in Figure 4?

-2       -1       0.5       1       2       “mean” is not a parameter of this function.      

question id: drill-M06-3

Exercise 9 What is the value of the parameter “sd” for the function shown in Figure 4

-2       -1       0.5       1       2       “sd” is not a parameter of this function.      

question id: drill-M06-4

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