Statistics (13th Edition)
Statistics (13th Edition)
13th Edition
ISBN: 9780134080215
Author: James T. McClave, Terry T Sincich
Publisher: PEARSON
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Concept explainers

Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear re…
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
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Chapter 6.4, Problem 49LM

a.

To determine

Find the mean and standard deviation of the sampling distribution of the sample proportion (p^) for n=50.

b.

To determine

Find the mean and standard deviation of the sampling distribution of the sample proportion (p^) for n=1,000.

c.

To determine

Find the mean and standard deviation of the sampling distribution of the sample proportion (p^) for n=400.

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Chapter 6 Solutions

Statistics (13th Edition)

Ch. 6.1 - What is the difference between a population...Ch. 6.1 - What is a sampling distribution of a sample...Ch. 6.1 - 5.1 The probability distribution shown here...Ch. 6.1 - 5.3 Consider the population described by the...Ch. 6.1 - Refer to Exercise 6.5 and find E(x) = μ. Then use...Ch. 6.1 - Refer to Exercise 6.5. Assume that a random sample...Ch. 6.1 - In Example 6.3, we used the computer to generate...Ch. 6.2 - What is a point estimator of a population...Ch. 6.2 - What is the difference between a biased and...Ch. 6.2 - What is the MVUE for a parameter?
Ch. 6.2 - What are the properties of an ideal estimator? Ch. 6.2 - 5.8 Consider the following probability...Ch. 6.2 - 5.9 Consider the following probability...Ch. 6.2 - 5.10 Consider the following probability...Ch. 6.2 - Refer to Exercise 6.5. Show that is an unbiased...Ch. 6.2 - Refer to Exercise 6.5. Find the sampling...Ch. 6.2 - Refer to Exercise 6.7, in which we found the...Ch. 6.3 - Prob. 21UPCh. 6.3 - How does the mean of the sampling distribution of...Ch. 6.3 - How does the standard deviation of the sampling...Ch. 6.3 - Another name given to the standard deviation of x̄...Ch. 6.3 - State the Central Limit Theorem. Ch. 6.3 - Will the sampling distribution of x̄ always be...Ch. 6.3 - Suppose a random sample of n measurements is...Ch. 6.3 - Suppose a random sample of n = 25 measurements is...Ch. 6.3 - Consider the following probability...Ch. 6.3 - A random sample of n = 64 observations is drawn...Ch. 6.3 - A random sample of n = 100 observations is...Ch. 6.3 - 5.20 A random sample of n = 900 observations is...Ch. 6.3 - Open the applet Sampling Distributions. On the...Ch. 6.3 - Open the applet Sampling Distributions. On the...Ch. 6.3 - Corporate sustainability of CPA firms. Refer to...Ch. 6.3 - Voltage sags and swells. Refer to the Electrical...Ch. 6.3 - Physical activity of obese young adults. In a...Ch. 6.3 - Cost of unleaded fuel. According to the American...Ch. 6.3 - Requests to a Web server. In Exercise 5.10 (p....Ch. 6.3 - Shell lengths of sea turtles. Refer to the Aquatic...Ch. 6.3 - Tomato as a taste modifier. Miraculin is a protein...Ch. 6.3 - Uranium in the Earth’s crust. Refer to the...Ch. 6.3 - Critical part failures in NASCAR vehicles. Refer...Ch. 6.3 - Motivation of drug dealers. Refer to the Applied...Ch. 6.3 - Is exposure to a chemical in Teflon-coated...Ch. 6.3 - Characteristics of antiwar demonstrators. Refer to...Ch. 6.3 - Hand washing versus hand rubbing. Refer to the...Ch. 6.3 - Video game players and divided attention tasks....Ch. 6.4 - Suppose a random sample of n measurements is...Ch. 6.4 - Suppose a random sample of n = 500 measurements is...Ch. 6.4 - 5.38 A random sample of n = 80 measurements is...Ch. 6.4 - 5.39 A random sample of n = 250 measurements is...Ch. 6.4 - A random sample of n = 1,500 measurements is drawn...Ch. 6.4 - 5.41 Consider a population with values of x equal...Ch. 6.4 - Do social robots walk or roll? Refer to the...Ch. 6.4 - Paying for music downloads. According to a recent...Ch. 6.4 - Working on summer vacation. According to an...Ch. 6.4 - Superstitions survey. A Harris (Feb. 2013) poll...Ch. 6.4 - Crop damage by wild boars. Refer to the Current...Ch. 6.4 - Downloading “apps” to your cell phone. Refer to...Ch. 6.4 - Hotel guest satisfaction. Refer to the results of...Ch. 6.4 - Fingerprint expertise. Refer to the Psychological...Ch. 6 - Prob. 63UPCh. 6 - Prob. 64UPCh. 6 - Prob. 65UPCh. 6 - Prob. 66UPCh. 6 - Prob. 67UPCh. 6 - Prob. 68LMCh. 6 - Prob. 69LMCh. 6 - Prob. 70LMCh. 6 - Prob. 71LMCh. 6 - 5.56 A random sample of n = 500 observations is...Ch. 6 - 5.57 A random sample of n = 300 observations is...Ch. 6 - 5.58 Use a statistical software package to...Ch. 6 - 5.59 Use a statistical software package to...Ch. 6 - Suppose x equals the number of heads observed when...Ch. 6 - A random sample of size n is to be drawn from a...Ch. 6 - Salaries of travel managers. According to a 2012...Ch. 6 - Children’s attitudes toward reading. In the...Ch. 6 - Dentists’ use of laughing gas. According to the...Ch. 6 - Marital name changing. Refer to the Advances in...Ch. 6 - Violence and stress. Interpersonal violence (e.g.,...Ch. 6 - Research on eating disorders. Refer to The...Ch. 6 - Prob. 84ACICh. 6 - Prob. 85ACICh. 6 - Prob. 86ACICh. 6 - Prob. 87ACICh. 6 - Prob. 88ACICh. 6 - Prob. 89ACICh. 6 - Prob. 90ACACh. 6 - Prob. 91ACACh. 6 - 5.76 Soft-drink bottles. A soft-drink bottler...
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