Sample Quantiles5.55.04.54.03.5TO-1.0Normal Q-Q Plot-0.50.000.5Theoretical Quantiles1.0(a) Explain in words what the "Theoretical Quantiles" in this plot are.(b) Would t-test be appropriate to test that the average survival for this cohort imore than 5 years?(c) What non-parametric test would you use as an alternative to the t-test?Compute the value of your non-parametric statistics.(d) If the p-value of your test is 0.2266, what conclusion would you draw? 7) The HIV patients on the average survive 5 years after being diagnosed. Thesurvival years for the 7 patients after being diagnosed for a cohort are3.2, 4.4, 5.5, 5.6, 5.2, 5.4, 5.3The normal probability plot of this data is given below.

Given the survival years for the 7 HIV patients after being diagnosed for a cohort are 3.2, 4.4,…

Answered: 7) The HIV patients on the average…

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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Find the variance of the above random variable random variable
The diameters of ball bearings are distributed normally. The mean diameter is 53 millimeters and the variance is 25. Find the probability that the diameter of a selected bearing is greater than 48 millimeters. Round your answer to four decimal places. Answer Tables Normal Table - to-z Z -2.8 -2.7 -2.6 -2.5 -2.4 -2.3 -1.9 -1.8 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0.00 -3.4 0.0002 0.0003 0.0003 0.0003 0.0003 0.0003 0.0003 0.0003 0.0003 0.0003 -3.3 0.0003 0.0004 0.0004 0.0004 0.0004 0.0004 0.0004 0.0005 0.0005 0.0005 -3.2 0.0005 0.0005 0.0005 0.0006 0.0006 0.0006 0.0006 0.0006 0.0007 0.0007 -3.1 0.0007 0.0007 0.0008 0.0008 0.0008 0.0008 0.0009 0.0009 0.0009 0.0010 -3.0 0.0010 0.0010 0.0011 0.0011 0.0011 0.0012 0.0012 0.0013 0.0013 0.0013 -2.9 0.0014 0.0014 0.0015 0.0015 0.0016 0.0016 0.0017 0.0018 0.0018 0.0019 0.0019 0.0020 0.0021 0.0021 0.0022 0.0023 0.0023 0.0024 0.0025 0.0026 0.0026 0.0027 0.0028 0.0029 0.0030 0.0031 0.0032 0.0033 0.0034 0.0035 0.0036 0.0037 0.0038 0.0039…
3) What graphs can help us identify a normal distribution? a. Dotplot b. Histogram c. Boxplot d. Normal probability plot pick one a, b, c, d b, c a, b a, b, c b, d
Sadie deals 5 cards from a standard deck of 52 cards. She would like to deal as many spades as possible. Is it reasonable to approximate this distribution with a normal distribution? Give a reason.
Topic 4 Practice Test 1. What characteristics must a normal probability distribution have to be a standard normal probability distribution? 2. Find the shaded area under each standard normal curve shown below: a. a. b. b. 3. Find the z-score corresponding to the shaded area under each standard normal curve shown below: Area = 0.2546 z = -0.9 Area = 0.9798 z = 0.75 z = 1.6
Do college students enjoy playing sports just as much as watching sports? A researcher randomly selected ten college students and asked them to rate playing sports and watching sports on a scale from 1 to 10 with 1 meaning they have no interest and 10 meaning they absolutely love it. The results of the study are given below. Playing vs. Watching Sports Data Play Watch 4 1 2 1 1 1 2 1 7 5 8 1 1 3 6 4 3 3 1 1 Assume a Normal distribution. What can be concluded at the the a = 0.05 level of significance level of significance? For this study, we should use Select an answer a. The null and alternative hypotheses would be: Ho: Select an answer Select an answer ✓ H₁: Select an answer ✓ Select an answer ✓ b. The test statistic ? ✓ = c. The p-value d. The p-value is ? ✓ a e. Based on this, we should f. Thus, the final conclusion is that ... = Select an answer ✓ (please enter a decimal) Select an answer (Please enter a decimal) (please show your answer to 3 decimal places.) (Please show your…
A bank's loan officer rates applicants for credit. The ratings are normally distributed with a mean of 200 and a standard deviation of 50. If 64 applications are randomly selected, what is the probability that the mean credit rating of these 64 applicants will be between 205 and 275. (Round your answer to 4 decimal places.) (Calculator: http://statisticshelper.com/normal-distribution-calculator) A. 0.5011 B. 0.4113 C. 0.2119 D. 0.3664
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34% of CSU students participate in the Statistics Games while they attend CSU. You take a random sample of 40 students. You want to determine the probability that more than 15 of them have participated in the Statistics games. Since the conditions are met, you decide to use the Normal model to find your answer. What is the mean and standard deviation of the sampling distribution?
Do rats take less time on average than hamsters to travel through a maze? The table below shows the times in seconds that the rats and hamsters took. Rats: 36, 35, 22, 42, 25, 14, 31, 14 Hamsters: 41, 37, 12, 46, 39, 46, 38, 45, 27, 29 Assume that both populations follow a normal distribution. What can be concluded at the a = 0.05 level of significance level of significance? For this study, we should use Select an answer a. The null and alternative hypotheses would be: Ho: Select an answer v Select an answer v Select an answer v (please enter a decimal) H: Select an answer v Select an answer v Select an answer v (Please enter a decimal) b. The test statistic (please show your answer to 3 decimal places.) c. The p-value = (Please show your answer to 4 decimal places.) d. The p-value is ? ♥ a e. Based on this, we should Select an answer f. Thus, the final conclusion is that ... the null hypothesis. O The results are statistically insignificant at a = 0.05, so there is statistically…
If a distribution of data follows a normal distribution, we would expect that the __________, and __________ are all equal.

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7) The HIV patients on the average survive 5 years after being diagnosed. The survival years for the 7 patients after being diagnosed for a cohort are 3.2, 4.4, 5.5, 5.6, 5.2, 5.4, 5.3 The normal probability plot of this data is given below.