9.2/6Identify the test statisticp-value Listed below are the numbers of years that archbishops and monarchs in a certain country lived after their election or coronation. Assume that the two samples areindependent simple random samples selected from normally distributed populations. Do not assume that the population standard deviations are equal. Use a 0.05significance level to test the claim that the mean longevity for archbishops is less than the mean for monarchs after coronation. All measurements are in years.Click the icon to view the table of longevities of archbishops and monarchs.What are the null and alternative hypotheses? Assume that population 1 consists of the longevity of archbishops and population 2 consists of the longevity of monarchs.O A. Ho: H1 #H2H1: Hy> H2O B. Ho: H1S H2H1: Hy> H2C. Ho: H1 = H2H1: H1

Given claim: The mean longevity for archbishops is less than the mean for monarchs after coronation.…

Answered: Listed below are the numbers of years…

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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The amount of calories consumed by customers at the Chinese buffet is normally distributed with mean 2928 and standard deviation 571. One randomly selected customer is observed to see how many calories X that customer consumes. 1. The Piggy award will given out to the 1% of customers who consume the most calories. What is the fewest number of calories a person must consume to receive the Piggy award? (Round to the nearest calorie)
Among 169 Egyptian-African men, the mean systolic blood pressure was 145 mmHg with a standard deviation of 26. The t-test statistic to conclude that the mean systolic blood pressure for a population of Egyptian-African men is greater than 142 is -2.5 1.5 -1.5 -1.3
The processing times for cases at a certain office follow a bell-shaped model with mean 124 days and standard deviation 33 days. The processing time for a certain case was 179 days. Was this a typical processing time or was it unusually long? Typical, because it is less than 3 standard deviations away from the mean. O Unusually long, because it is more than 1 standard deviation away from the mean. Unusually long, because it is less than 3 standard deviations away from the mean. Unusually long, because it is not more than 2 standard deviations away from the mean. Typical, because it is not more than 2 standard deviations away from the mean. Typical, because it is more than 1 standard deviation away from the mean.
* The plant manager believes that the operators take a lunch break for more than 60 minutes. A sample of 15 operators from a normal population were randomly selected, and it was found out that their mean lunch break is 60 minutes with a standard deviation of 5 minutes. At 0.05 level of significance, is the mean lunch break greater than 60 minutes?
7. Scores on the Standard-Binet Intelligence Test (IQ) are normally distributed with mean ? = 100 and standard deviation ? = 16. In order to qualify for membership in a certain organization, one must have an IQ at the 90% percentile. What is the minimum IQ score required for membership in this organization?
The following data are the daily number of minutes of smartphone use for a random sample of 8students at your institution: 117, 156, 89, 72, 116, 125, 101, 100.(You may use t(df=7, 0.05) = -1.895) (a) Test the null hypothesis according to which the true mean is greater or equal to 100 minagainst the alternative that it is less than 100. Use a significance level of 5% (state the test statistic and the conclusion).
Careful analysis of a random sample of n=16 pages of a Huge Government Document published by the Office Of Printed Statistical Information (OOPSI) revealed a mean of, 5.2 spelling and/or errors of grammar per page. The standard deviation o of the number of errors per page is 3.6. does this data provide significant evidence (at, the, 5% level) that the true mean number of errors per page is less than 7 and thus good, enough for government work? State null and alternative hypothesis, calculate the test statistic, determine the P-value, and state your conclusion.
A given distribution has a population mean, 128 and a population standard deviation, oof 5. Compute the raw, -value associated with a Z-score of 0.19.
Scores on a standard IQ Test for people aged 20 to 34 are normally distributed with mean 110 and standard deviation 25. (a) A researcher wants to select the men in the bottom 25% on this intelligence scale. How low must a man score (IQ)to be selected? (b) A researcher wants to select the men in the top 15% on this intelligence scale. How high must a man score(IQ) to be selected?
In the last quarter of 2007, a group of 64 mutual funds had a mean return of a standard deviation of 0.6% Consider the Normal model N(0.052, 0.006) for the returns of these mutual funds a) What value represents the 40th percentile of these returns? b) What value represents the 99th percentile? What's the IQR, or interquartile range, of the quarterly returns for this group of funds? SOCCE a) The value that represents the 40th percentile is%. (Round to two decimal places as needed.) b) The value that represents the 99th percentile is%. (Round to two decimal places as needed.) c) The IQR is% (Round to two decimal places as needed.)
20 representative students were selected from each of 5 schools intermediate level. The 100 selected students presented themselves to a Math Quiz. A researcher wants to prove that the averages Mathematics performance is not the same in the five schools. I know analyzed the data mediated by ANOVA. Sources / degrees of freedom / sum of squares / squares media / Fcalculated / pvalue Between groups - 2000 Within groups - 9500 Complete the table to answer: 1) The mean square between groups is: 2) The mean square within groups is: 3). The test calculation is: 4) The value is: 5. Conclusion:
3. The time taken by the postman to deliver to the school is normally distributed with a mean of 12 minutes and a standard deviation of 2 minutes. He delivers the posts every day. Calculate the z-score and estimate the number of days during a full year (365 days) when it takes him; a) Less than 17 minutes (b.) less than ten minutes (c.) between 9 and 13 minutes.

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