STAT. TECH. IN BUSINESS + ECON LOOSELEAF

18th Edition

ISBN: 9781264261765

Author: Lind

Publisher: MCG

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.

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Chapter 12, Problem 16E

For exercises 15 and 16, conduct a test of hypothesis to determine whether the block or the treatment means differ. Using the .05 significance level: (a) state the null and alternate hypotheses for treatments; (b) state the decision rule for treatments; and (c) state the null and alternate hypotheses for blocks. Also, state the decision rule for blocks, then: (d) compute SST, SSB, SS total, and SSE; (e) complete an ANOVA table; and (f) give your decision regarding the two sets of hypotheses and interpret the results.

The following data was collected for a two-factor ANOVA with three treatments and three blocks.

Chapter 12, Problem 16E, For exercises 15 and 16, conduct a test of hypothesis to determine whether the block or the

Definition Definition Measure of central tendency that is the average of a given data set. The mean value is evaluated as the quotient of the sum of all observations by the sample size. The mean, in contrast to a median, is affected by extreme values. Very large or very small values can distract the mean from the center of the data. Arithmetic mean: The most common type of mean is the arithmetic mean. It is evaluated using the formula: μ = 1 N ∑ i = 1 N x i Other types of means are the geometric mean, logarithmic mean, and harmonic mean. Geometric mean: The nth root of the product of n observations from a data set is defined as the geometric mean of the set: G = x 1 x 2 ... x n n Logarithmic mean: The difference of the natural logarithms of the two numbers, divided by the difference between the numbers is the logarithmic mean of the two numbers. The logarithmic mean is used particularly in heat transfer and mass transfer. ln x 2 − ln x 1 x 2 − x 1 Harmonic mean: The inverse of the arithmetic mean of the inverses of all the numbers in a data set is the harmonic mean of the data. 1 1 x 1 + 1 x 2 + ...

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Chapter 12, Problem 15E

Chapter 12, Problem 17E

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Chapter 12 Solutions

STAT. TECH. IN BUSINESS + ECON LOOSELEAF

Ch. 12 - Steele Electric Products Inc. assembles cell...Ch. 12 - What is the critical F value when the sample size...Ch. 12 - Prob. 2E Ch. 12 - Prob. 3E Ch. 12 - Prob. 4E Ch. 12 - Prob. 5E Ch. 12 - Prob. 6E Ch. 12 - Prob. 2SR Ch. 12 - Prob. 7E Ch. 12 - Prob. 8E

Ch. 12 - Prob. 9E Ch. 12 - Prob. 10E Ch. 12 - Prob. 3SR Ch. 12 - Prob. 11E Ch. 12 - The following are six observations collected from...Ch. 12 - Prob. 13E Ch. 12 - Prob. 14E Ch. 12 - Prob. 4SR Ch. 12 - Prob. 15E Ch. 12 - For exercises 15 and 16, conduct a test of...Ch. 12 - Prob. 17E Ch. 12 - Prob. 18E Ch. 12 - Prob. 5SR Ch. 12 - Prob. 19E Ch. 12 - Prob. 20E Ch. 12 - Prob. 21E Ch. 12 - Prob. 22E Ch. 12 - Prob. 23CE Ch. 12 - Prob. 24CE Ch. 12 - Prob. 25CE Ch. 12 - Prob. 26CE Ch. 12 - In an ANOVA table, the MSE is equal to 10. Random...Ch. 12 - Prob. 28CE Ch. 12 - Prob. 29CE Ch. 12 - Prob. 30CE Ch. 12 - Prob. 31CE Ch. 12 - Prob. 32CE Ch. 12 - Prob. 33CE Ch. 12 - Prob. 34CE Ch. 12 - Prob. 35CE Ch. 12 - Prob. 36CE Ch. 12 - Prob. 37CE Ch. 12 - Prob. 38CE Ch. 12 - Prob. 39CE Ch. 12 - Prob. 40CE Ch. 12 - Prob. 41CE Ch. 12 - Prob. 42CE Ch. 12 - Prob. 43CE Ch. 12 - Prob. 44CE Ch. 12 - Prob. 45CE Ch. 12 - Prob. 46CE Ch. 12 - Prob. 47CE Ch. 12 - Prob. 48CE Ch. 12 - Prob. 50DA Ch. 12 - Prob. 51DA Ch. 12 - Prob. 1P Ch. 12 - Prob. 2P Ch. 12 - Prob. 3P Ch. 12 - Prob. 4P Ch. 12 - Prob. 5P Ch. 12 - Prob. 6P Ch. 12 - Prob. 7P Ch. 12 - Prob. 1C Ch. 12 - Prob. 2C Ch. 12 - Prob. 1.1PT Ch. 12 - The likelihood of rejecting a true null hypothesis...Ch. 12 - Prob. 1.3PT Ch. 12 - Prob. 1.4PT Ch. 12 - Prob. 1.5PT Ch. 12 - Prob. 1.6PT Ch. 12 - In a two-tailed test, the rejection region is...Ch. 12 - Prob. 1.8PT Ch. 12 - Prob. 1.9PT Ch. 12 - Prob. 1.10PT Ch. 12 - Prob. 2.1PT Ch. 12 - Prob. 2.2PT Ch. 12 - Prob. 2.3PT

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Solution Summary: The author states the null and alternative hypotheses for treatments and the decision rule for blocks.

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