4.72 Refer to Exercise 4.70. An honor society wishes to invite those scoring in the top 5% onthe College Boards to join their society.Rofeso ncea. What score is required to be invited to join the society?b. What score separates the top 75% of the population from the bottom 25%? Whatdo we call this value? QUESTION 64.72b: What is the requested score?I. 392.8II. 425.3III. 438.7IV. 457.2

From the question 4.70,the score of mean is 513 and standard deviation 130 and the scores are…

Answered: 4.72b: What is the requested score?

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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46 1800 candidates appeared for an examination, 450 were successful, 340 had attended a coaching class and out of these 200 came out successful. Estimate the utility of coaching class (use Yule's Coefficient of Association).
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9.%= 6) 5 + 6 – 6 (-4) - 25 + (-5)
Findthemean,themedian,andthemodeofdataset:12.37,13.33,32.67, 12.37, 26.45
Last year, 41% of business owners gave a holiday gift to their employees. A survey of business owners conducted this year Indicates that 33% planned to provide a holiday gift to their employees. Suppose the survey results are based on a sample of 50 business owners. a. How many business owners In the survey planned to provide a holiday gift to their employees this year? Round your answer to the nearest whole number. b. Suppose the business owners in the sample do as they plan. Conduct a hypothesis test that can be used to determine whether the proportion of business owners providing holiday gifts had decreased from last year. State the hypotheses. Họ :p-Select your answer- 0.41 H.P Select your answer- J0.41 Compute the test statistic and p-value. z-value (to 2 decimals) p-value (to 4 decimals) c. Using a 0.05 level of significance, would you conclude that the proportion of business owners providing gifts decreased? - Select your answer- v Ho. We - Select your answer - v conclude that…
You wish to test the following claim (HaHa) at a significance level of α=0.05. For the context of this problem, μd=μ2−μ1 where the first data set represents a pre-test and the second data set represents a post-test. Ho:μd=0 Ha:μd<0You believe the population of difference scores is normally distributed, but you do not know the standard deviation. You obtain pre-test and post-test samples for n=254 subjects. The average difference (post - pre) is ¯d=−2.4 with a standard deviation of the differences of sd=14.6What is the critical value for this test? (Report answer accurate to three decimal places.)critical value = What is the test statistic for this sample? (Report answer accurate to three decimal places.)test statistic = Can you please explain how I would solve this free hand and in a TI-83 calculator please.
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