Assume that a simple random sample has been selected from a normally distributed population and test the given claim. Identify the null and alternative hypotheses, test statistic, critical value(s), and state the final conclusion that addresses the original claim. A simple random sample of pages from a dictionary is obtained. Listed below are the numbers of words defined on those pages. Given that this dictionary has 1459 pages with defined words, the claim that there are more than 70,000 defined words is the same as the claim that the mean number of defined words on a page is greater than 48.0. Use a 0.10 level significance level to test this claim. What does the result suggest about the claim that there are more than 70,000 defined words in the dictionary? words in the dictionary? 64 33 68 57 57 64 47 38 68 84 1. Identify the test statistic. (Round to three decimal places as needed.) 2.Identify the critical value(s). (Round to three decimal places as needed. Use a comma to separate answers as needed.) 3. Do the results suggest that there are more than 70,000 defined words in the dictionary? A. Since many pages that were sampled have more than 48 words, there must be more than 70,000 words in the dictionary. B. There is not sufficient evidence to support the claim that there are more than 70,000 words in the dictionary. C. There is sufficient evidence to support the claim that there are more than 70,000 words in the dictionary. D.The results are inconclusive.

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Description: Assume that a simple random sample has been selected from a normally distributed population and test the given claim. Identify the null and alternative hypotheses, test statistic, critical value(s), and state the final conclusion that addresses th

MATLAB: An Introduction with Applications

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Author:Amos Gilat

Publisher:Amos Gilat

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Assume that a simple random sample has been selected from a normally distributed population and test the given claim. Identify the null and alternative hypotheses, test statistic, critical value(s), and state the final conclusion that addresses the original claim.

A simple random sample of pages from a dictionary is obtained. Listed below are the numbers of words defined on those pages. Given that this dictionary has 1459 pages with defined words, the claim that there are more than 70,000 defined words is the same as the claim that the mean number of defined words on a page is greater than 48.0. Use a 0.10
level significance level to test this claim. What does the result suggest about the claim that there are more than 70,000 defined words in the dictionary?

words in the dictionary?

1. Identify the test statistic.

(Round to three decimal places as needed.)

2.Identify the critical value(s).

(Round to three decimal places as needed. Use a comma to separate answers as needed.)

3. Do the results suggest that there are more than 70,000 defined words in the dictionary?

A. Since many pages that were sampled have more than 48 words, there must be more than 70,000 words in the dictionary.

B. There is not sufficient evidence to support the claim that there are more than 70,000 words in the dictionary.

C. There is sufficient evidence to support the claim that there are more than 70,000 words in the dictionary.

D.The results are inconclusive.

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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