Introduction to the Practice of Statistics
9th Edition
ISBN: 9781319013387
Author: David S. Moore, George P. McCabe, Bruce A. Craig
Publisher: W. H. Freeman
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Chapter 3, Problem 91E
To determine
To explain: A report on the opinion on Online Behavioral Advertising.
Expert Solution & Answer
Answer to Problem 91E
Solution: The company should take informed consent before collecting data from the respondents. The company should also confirm that the data is used securely in the study and will be discarded after the completion of the study.
Explanation of Solution
In Online Behavioral Advertising, data about the online activity of individuals is recorded and different companies use the data to determine which advertisements should be targeted to a particular customer.
The four governing principles of data collection can be classified as transparency and control; security and data retention; privacy; and sensitive data.
Before collecting the data, the company should take informed consent. The procedure of data collection and the type of data to be collected should be stated clearly. It helps the company to keep transparency in the data collection process and also helps the company handle sensitive data. Consent should be taken from the respondents for ethical reasons because collection of data regarding the online behavior of the respondents without informing them is unethical.
If data about any personal details is collected from the respondents for the sake of the study, then the company should provide proper security to keep the data protected. The company should confirm to the respondents that the data from the study will be used by the company only and it will be discarded after the end of the study.
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Question 3
The following stem-and-leaf displays the weekly salary of employees at this firm.
Stem-and-Leaf Display
Leaf Unit = 10.0
N=x
5
3 00123
12 4 0125888
(y)
5 11234456777
z
6 13568
5
7 154
2
8 46
i.
Determine the value of x, y and z.
[3]
ii. What is the value of the median?
[2]
iii.
Find the mode of this data set.
iv.
Calculate the range
[1]
[2]
Let Y be a continuous RV with PDF
otherwise
Find the CDF, Fry), of Y .
Find an expression for pth, p € (0, 1), quantile of the distribution.
Find E(Y) and V(Y).
Find E(-2Y + 1) and V(-3Y - 2).
Find E(Y3).
Let X be a continuous RV with CDF
Find P(X < 0), P(-1 < X < 1) and P(0.5 < X).
Based on your answers to the above questions, what is the median of the distribu-tion? Why
Find the PDF, fx (x), of X.
Chapter 3 Solutions
Introduction to the Practice of Statistics
Ch. 3.1 - Prob. 1UYKCh. 3.1 - Prob. 2UYKCh. 3.1 - Prob. 3UYKCh. 3.1 - Prob. 4UYKCh. 3.1 - Prob. 5UYKCh. 3.1 - Prob. 6UYKCh. 3.1 - Prob. 7UYKCh. 3.1 - Prob. 8UYKCh. 3.1 - Prob. 9UYKCh. 3.1 - Prob. 10UYK
Ch. 3.1 - Prob. 11UYKCh. 3.1 - Prob. 12ECh. 3.1 - Prob. 13ECh. 3.1 - Prob. 14ECh. 3.1 - Prob. 15ECh. 3.1 - Prob. 16ECh. 3.2 - Prob. 17UYKCh. 3.2 - Prob. 18UYKCh. 3.2 - Prob. 19UYKCh. 3.2 - Prob. 20UYKCh. 3.2 - Prob. 21UYKCh. 3.2 - Prob. 22UYKCh. 3.2 - Prob. 23UYKCh. 3.2 - Prob. 24ECh. 3.2 - Prob. 25ECh. 3.2 - Prob. 26ECh. 3.2 - Prob. 27ECh. 3.2 - Prob. 28ECh. 3.2 - Prob. 29ECh. 3.2 - Prob. 30ECh. 3.2 - Prob. 31ECh. 3.2 - Prob. 32ECh. 3.2 - Prob. 33ECh. 3.2 - Prob. 34ECh. 3.2 - Prob. 35ECh. 3.2 - Prob. 36ECh. 3.2 - Prob. 37ECh. 3.2 - Prob. 38ECh. 3.2 - Prob. 39ECh. 3.2 - Prob. 40ECh. 3.2 - Prob. 41ECh. 3.2 - Prob. 42ECh. 3.2 - Prob. 43ECh. 3.3 - Prob. 44UYKCh. 3.3 - Prob. 45UYKCh. 3.3 - Prob. 46UYKCh. 3.3 - Prob. 47UYKCh. 3.3 - Prob. 48UYKCh. 3.3 - Prob. 49UYKCh. 3.3 - Prob. 50ECh. 3.3 - Prob. 51ECh. 3.3 - Prob. 52ECh. 3.3 - Prob. 53ECh. 3.3 - Prob. 54ECh. 3.3 - Prob. 55ECh. 3.3 - Prob. 56ECh. 3.3 - Prob. 57ECh. 3.3 - Prob. 58ECh. 3.3 - Prob. 59ECh. 3.3 - Prob. 60ECh. 3.3 - Prob. 61ECh. 3.3 - Prob. 62ECh. 3.3 - Prob. 63ECh. 3.3 - Prob. 64ECh. 3.3 - Prob. 65ECh. 3.3 - Prob. 66ECh. 3.3 - Prob. 67ECh. 3.3 - Prob. 68ECh. 3.3 - Prob. 69ECh. 3.3 - Prob. 70ECh. 3.4 - Prob. 71UYKCh. 3.4 - Prob. 72UYKCh. 3.4 - Prob. 73UYKCh. 3.4 - Prob. 74UYKCh. 3.4 - Prob. 75UYKCh. 3.4 - Prob. 76UYKCh. 3.4 - Prob. 77ECh. 3.4 - Prob. 78ECh. 3.4 - Prob. 79ECh. 3.4 - Prob. 80ECh. 3.4 - Prob. 81ECh. 3.4 - Prob. 82ECh. 3.4 - Prob. 83ECh. 3.4 - Prob. 84ECh. 3.4 - Prob. 85ECh. 3.4 - Prob. 86ECh. 3.4 - Prob. 87ECh. 3.4 - Prob. 88ECh. 3.4 - Prob. 89ECh. 3 - Prob. 91ECh. 3 - Prob. 93ECh. 3 - Prob. 94ECh. 3 - Prob. 95ECh. 3 - Prob. 96ECh. 3 - Prob. 97ECh. 3 - Prob. 98ECh. 3 - Prob. 99ECh. 3 - Prob. 100ECh. 3 - Prob. 101ECh. 3 - Prob. 102ECh. 3 - Prob. 103ECh. 3 - Prob. 104ECh. 3 - Prob. 105ECh. 3 - Prob. 106ECh. 3 - Prob. 107ECh. 3 - Prob. 108ECh. 3 - Prob. 109ECh. 3 - Prob. 110E
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