Mind on Statistics
5th Edition
ISBN: 9781285463186
Author: Jessica M. Utts, Robert F. Heckard
Publisher: Brooks Cole
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Textbook Question
Chapter 5, Problem 5.58E
A group of biologists wants to estimate the abundance of barrel cactus in a desert. They divide the desert into a grid of 100 rectangular areas but exclude 10 of those areas because they are difficult to access. The biologists then measure the density of cactus in a randomly selected sample of 40 of the 90 accessible areas.
a. What was the sampling frame in this study, and how did it differ from the population of interest?
b. Explain why the problem called using the wrong sampling frames might lead to a biased estimate of the abundance of cactus in the desert.
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Mind on Statistics
Ch. 5 - Prob. 5.1ECh. 5 - For each of the following examples from the text,...Ch. 5 - Prob. 5.3ECh. 5 - Prob. 5.4ECh. 5 - Prob. 5.5ECh. 5 - To estimate the percentage of households in the...Ch. 5 - Prob. 5.7ECh. 5 - Briefly explain what it means to say that a survey...Ch. 5 - Prob. 5.9ECh. 5 - Prob. 5.10E
Ch. 5 - Prob. 5.11ECh. 5 - Prob. 5.12ECh. 5 - Refer to Exercise 5.12. Suppose that you randomly...Ch. 5 - Prob. 5.14ECh. 5 - Prob. 5.15ECh. 5 - Refer to the three types of bias given in Section...Ch. 5 - Prob. 5.17ECh. 5 - For each of the following situations, explain...Ch. 5 - Prob. 5.19ECh. 5 - The U.S. government gathers numerous statistics...Ch. 5 - Prob. 5.21ECh. 5 - Prob. 5.22ECh. 5 - Prob. 5.23ECh. 5 - Prob. 5.24ECh. 5 - Prob. 5.25ECh. 5 - In a CNN/Time poll conducted December 17-18, 1998,...Ch. 5 - This is also Exercise 1.8c. For survey based on...Ch. 5 - Adapted from Exercise 1.9 and 1.10. What sample...Ch. 5 - Prob. 5.29ECh. 5 - In a CBS News poll conducted between December 17...Ch. 5 - Prob. 5.31ECh. 5 - Suppose a national polling agency conducted 100...Ch. 5 - Prob. 5.33ECh. 5 - Prob. 5.34ECh. 5 - Refer to Exercise 5.33. One of the questions asked...Ch. 5 - Prob. 5.36ECh. 5 - Prob. 5.37ECh. 5 - Prob. 5.38ECh. 5 - Prob. 5.39ECh. 5 - Prob. 5.40ECh. 5 - Prob. 5.41ECh. 5 - Prob. 5.42ECh. 5 - Prob. 5.43ECh. 5 - Prob. 5.44ECh. 5 - Prob. 5.45ECh. 5 - Prob. 5.46ECh. 5 - A lottery game is played by choosing six whole...Ch. 5 - Prob. 5.48ECh. 5 - Prob. 5.49ECh. 5 - In a factory producing television sets, every...Ch. 5 - Prob. 5.51ECh. 5 - In each part, identify whether the sample is a...Ch. 5 - Prob. 5.53ECh. 5 - Prob. 5.54ECh. 5 - Prob. 5.55ECh. 5 - Find an example of a survey routinely conducted by...Ch. 5 - A local government wants to determine whether...Ch. 5 - A group of biologists wants to estimate the...Ch. 5 - In each part, indicate whether the sample should...Ch. 5 - Prob. 5.60ECh. 5 - Prob. 5.61ECh. 5 - Prob. 5.62ECh. 5 - Prob. 5.63ECh. 5 - Prob. 5.64ECh. 5 - Prob. 5.65ECh. 5 - Prob. 5.66ECh. 5 - Prob. 5.67ECh. 5 - A survey question will be asked to determine...Ch. 5 - Prob. 5.69ECh. 5 - Prob. 5.70ECh. 5 - Prob. 5.71ECh. 5 - Prob. 5.72ECh. 5 - Refer to Example 5.16, “When Will Adolescent Males...Ch. 5 - Prob. 5.74ECh. 5 - Prob. 5.75ECh. 5 - Prob. 5.76ECh. 5 - Prob. 5.77ECh. 5 - Explain which of three methods—a door-to-door...Ch. 5 - Prob. 5.79ECh. 5 - Prob. 5.80ECh. 5 - Rock singer Elvis Presley died on August 16, 1977,...Ch. 5 - Prob. 5.82ECh. 5 - Prob. 5.83ECh. 5 - Prob. 5.84ECh. 5 - Prob. 5.85ECh. 5 - Prob. 5.86ECh. 5 - Prob. 5.87ECh. 5 - Prob. 5.88ECh. 5 - Prob. 5.89ECh. 5 - Prob. 5.90ECh. 5 - Prob. 5.91ECh. 5 - Prob. 5.92ECh. 5 - Refer to Exercise 5.92. a. What is the population...Ch. 5 - A large medical professional organization with...Ch. 5 - Prob. 5.95ECh. 5 - Prob. 5.96ECh. 5 - Prob. 5.97ECh. 5 - Prob. 5.98ECh. 5 - Prob. 5.99ECh. 5 - Prob. 5.100ECh. 5 - Prob. 5.101ECh. 5 - Prob. 5.102ECh. 5 - Prob. 5.103ECh. 5 - Prob. 5.104ECh. 5 - Prob. 5.105ECh. 5 - Prob. 5.106ECh. 5 - Prob. 5.107ECh. 5 - Prob. 5.108ECh. 5 - Prob. 5.109ECh. 5 - Prob. 5.110ECh. 5 - Exercises 5.110 to 5.112 refer to a survey of...Ch. 5 - Exercises 5.110 to 5.112 refer to a survey of...
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