A simple random sample of 20 pages from a dictionary is obtained. The numbers of words defined on those pages are found, with the results n= 20, x= 59.7 words,s= 16.5 words. Given that this dictionary has 1470 pages with defined words, the claim that there are more than 70,000 defined words is equivalent to the claim thatthe mean number of words per page is greater than 47.6 words. Use a 0.10 significance level to tost the claim that the mean number of words per page is greater than47.6 words. What does the result suggest about the claim that there are more than 70,000 defined words? Identify the null and alternative hypotheses, test statistic, P-value, and state the final conclusion that addresses the original claim. Assume that the population is normally distributed.What are the null and alternative hypotheses?A. Ho: H47.6 wordsH: u>47.6 wordsOB. Họ: = 47.6 wordsH: <47.6 wordsOC. Hg: =47.6 wordsOD. Ho: >47.6 wordsHp<47.6 wordsH: H#47.6 wordsDetermine the test statistic.(Round to two decimal places as needed.) Next questionListed below are the lead concentrations in ug'g measured in different traditional medicines. Use a 0.01 significance level to test the claim that the mean leadconcentration for all such medicines is less than 16 pg/g. Assume that the sample is a simple random sample.10.5 4 22.5 2.5 15.5 15.5 6.5 16 14 12 oAssuming all conditions for conducting a hypothesis tost are met, what are the null and alternative hypotheses?VA Ho: 16 uglgOB. Ho = 16 poloH, u< 16 uglgHi u> 16 pglgHọ: 16 pg/gHy: 16 vglgOD, Ho > 16 polaH e 16 pglaDetermine the test statistic.(Round to two decimal places as needed.)

1)GivenMean(x)=59.7sample size(n)=20standard devaition(s)=16.5α=0.10

Answered: A simple random sample of 20 pages from…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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In 2015, the average duration of long-distance telephone calls from a certain town was 3.9 minutes.A telephone company wants to perform a test to determine whether this average duration of longdistance calls has changed. Fifty calls, originating from the town, was randomly selected and thefollowing summary minutes.∑ ? = 205 ∑(? − ?̅)∑(? − ?̅)2 = 56.43 a) Calculate the sample mean, ?̅. b) Calculate the sample standard deviation c) Using the p value approach at the 1% level of significance, test whether the mean duration oflong-distance calls from the town had increased. d) Construct the 99% confidence interval for the population mean duration of the long-distance calls from the town. Answer sub-parts (d)
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A simple random sample of 20 pages from a dictionary is obtained. The numbers of words defined on those pages are found, with the results n equals 20,x overbar equals 58.9 words, s equals 16.8 words. Given that this dictionary has 1472 pages with defined words, the claim that there are more than 70,000 defined words is equivalent to the claim that the mean number of words per page is greater than 47.6 words. Use a 0.05 significance level to test the claim that the mean number of words per page is greater than 47.6 words. What does the result suggest about the claim that there are more than 70,000 defined words? Identify the null and alternative hypotheses, test statistic, P-value, and state the final conclusion that addresses the original claim. Assume that the population is normally distributed. A. Determine the test statistic. (Round to two decimal places as needed.) B. Determine the P-value. (Round to three decimal places as needed.)
A simple random sample of 10 pages from a dictionary is obtained. The numbers of words defined on those pages are found, with the results n= 10, x= 64.9 words, s = 15.9 words. Given that this dictionary has 1476 pages with defined words, the claim that there are more than 70,000 defined words is equivalent to the claim that the mean number of words per page is greater than 47.4 words. Use a 0.10 significance level to test the claim that the mean number of words per page is greater than 47.4 words. What does the result suggest about the claim that there are more than 70,000 defined words? Identify the null and alternative hypotheses, test statistic, P-value, and state the final conclusion that addresses the original claim. Assume that the population is normally distributed. %D What are the null and alternative hypotheses? O A. Ho: H=47.4 words H: µ 47.4 words O C. Ho: H= 47.4 words D. Ho: H>47.4 words H,: µ<47.4 words H1: µ#47.4 words Determine the test statistic. (Round to two decimal…
In 2015, the average duration of long-distance telephone calls from a certain town was 3.9 minutes. A telephone company wants to perform a test to determine whether this average duration of long- distance calls has changed. Fifty calls, originating from the town, was randomly selected and the following summary minutes. ∑ ? = 205 ∑(? − ?̅)2 = 56.43 a). Using the p value approach at the 1% level of significance, test whether the mean duration of long-distance calls from the town had increased. b). Construct the 99% confidence interval for the population mean duration of the long-distance calls from the town.
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A simple random sample of 10 pages from a dictionary is obtained. The numbers of words defined on those pages are found, with the results n= 10, x= 57.1 words, s = 16.5 words. Given that this dictionary has 1477 pages with defined words, the claim that there are more than 70,000 defined words is equivalent to the claim that the mean number of words per page is greater than 47.4 words. Use a 0.01 significance level to test the claim that the mean number of words per page is greater than 47.4 words. What does the result suggest about the claim that there are more than 70,000 defined words? Identify the null and alternative hypotheses, test statistic, P-value, and state the final conclusion that addresses the original claim. Assume that the population is normally distributed. What are the null and alternative hypotheses? O B. H,: µ= 47.4 words H: µ# 47.4 words O A. Ho: µ> 47.4 words H,: µ 47.4 words H,: µ< 47.4 words Determine the test statistic. 1.86 (Round to two decimal places as…
A simple random sample of 20 pages from a dictionary is obtained. The numbers of words defined on those pages are found, with the results n=20, x= 59.1 words, s= 16.3 words. Given that this dictionary has 1491 pages with defined words, the claim that there are more than 70,000 defined words is equivalent to the claim that the mean number of words per page is greater than 46.9 words. Use a 0.01 significance level to test the claim that the mean number of words per page is greater than 46.9 words. What does the result suggest about the claim that there are more than 70,000 defined words? Identify the null and alternative hypotheses, test statistic, P- value, and state the final conclusion that addresses the original claim. Assume that the population is normally distributed. What are the null and alternative hypotheses? O A. Ho: µ= 46.9 words H:µ 46.9 words H: u 46.9 words Determine the test statistic. (Round to two decimal places as needed.) Determine the P-value. (Round to three decimal…
A simple random sample of 20 pages from a dictionary is obtained. The numbers of words defined on those pages are found, with the results n = 20, x = 60.1 words, s = 16.5 words. Given that this dictionary has 1470 pages with defined words, the claim that there are more than 70,000 defined words is equivalent to the claim that the mean number of words per page is greater than 47.6 words. Use a 0.01 significance level to test the claim that the mean number of words per page is greater than 47.6 words. What does the result suggest about the claim that there are more than 70,000 defined words? Identify the null and alternative hypotheses, test statistic, P-value, and state the final conclusion that addresses the original claim. Assume that the population is normally distributed. What are the null and alternative hypotheses? A. Ho: µ= 47.6 words H,: µ> 47.6 words Ο Β. Ho: μ= 47.6 words H,:µ 47.6 words H1:µ<47.6 words O D . Ho μ = 47.6 words H,: µ 47.6 words Determine the test statistic.…
A simple random sample of 10 pages from a dictionary is obtained. The numbers of words defined on those pages are found, with the results n= 10, x = 56.3 words, s= 16.6 words. Given that this dictionary has 1448 pages with defined words, the claim that there are more than 70,000 defined words is equivalent to the claim that the mean number of words per page is greater than 48.3 words. Use a 0.01 significance level to test the claim that the mean number of words per page is greater than 48.3 words. What does the result suggest about the claim that there are more than 70,000 defined words? Identify the null and alternative hypotheses, test statistic, P-value, and state the final conclusion that addresses the original claim. Assume that the population is normally distributed. What are the null and alternative hypotheses? O A. Ho: u= 48.3 words O B. Ho: µ= 48.3 words H1: µ 48.3 words D. Ho: H= 48.3 words H1: µ 48.3 words Determine the test statistic. (Round to two decimal places as…

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