Given are five observations for two variables, x and y. Use Table 2 of AppendixB.xi12345Yi3761213Round your answers to two decimal places.a. Using the following equation:1S₁** = S+n(x * -x)²Σ(α; - π)2Estimate the standard deviation of ŷ* when x = 4.b. Using the following expression:ŷ*±ta/2sy*Develop a 95% confidence interval for the expected value of y when x = 4.toc. Using the following equation:1Spred = 81+ +n(x*-)²(xi)²Estimate the standard deviation of an individual value of y when x = 4.d. Using the following expression:ŷ* ±ta/28predDevelop a 95% prediction interval for y when x = 4.to

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Answered: Given are five observations for two…

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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I. Solve for Z and find its area 1. Mean = 81, score: x = 71.5, standard deviation: o = 9. 2. Mean = 47, score: x = 55.6, standard deviation: o = 4. 3. Mean = 68, score: x = 78.8, standard deviation: o = 6. 4. Mean = 51, score: x = 69, standard deviation: o =7. 5. Mean = 85, score: x = 93, standard deviation: o =5. 6. The mean expenses of Dela Cruz Family is PhP12,600 every 15 days and the standard deviation is PhP 1, 570., If the expenses are normally distributed, what is the probability of consuming less than PhP 11,000 in 15 days? 7. The mean production of factory workers is 10 finished products per hour, with a standard deviation of 1.5 products/hour. What is the probability of finishing: a. less than 12.8 products/hour? b. more than 12 products/hour? 8. The mean weight of insects for laboratory experiments is 13.2 g, with the standard deviation of 0.8 g. What is the probability of randomly selecting insects with weight of: a. 14 g? b. 13.1 to 13.6 g? 9. The lifetime of CP…
This is for question F
Use reg no 134 Q.1 From the set of data X having the values last number of your registration number as X1 is the last digit of your registration number, X2=X1+1, X3=X2+2 and X4=X3+3, then (5+5) I. Show that the sum of the deviations of the observations Xi's from their mean, is equal to zero. II. Show that sum of square of devotion form mean is minimum than the sum of squared devotion from any other arbitrary value
Please tell the steps to solve this problem using Ti-84 Calculator. Testing:H0:μ=25.9H1:μ<25.9Your sample consists of 38 subjects, with a mean of 25.3 and standard deviation of 1.41.Calculate the test statistic, rounded to 2 decimal places.
C 14-34. Suppose the waist measurements W of 800 girls are normally distributed with mean oms and standard deviation 5 cms. Find the :number N of girls with waists- (i) between 65 cms and 70 cms; (ii) greater than or equal to 72 cms. 66 (1)
S2. Assume that x₁,...,10 € R satisfy ₁₁ = 3 and ΣΩ1x? standard deviation of ₁,... , X10? i=1 i=1 (This question appeared as is in May 2018 exam) = 10. What is the sample
Please answer part (a) and part (b)
a b Absolute standard deviation = Coefficient of variation = y = 1.20 (+0.02) x 10-8-3.60(±0.2) × 10-⁹ x Result = Absolute standard deviation = Coefficient of variation = C Result = d y=90.95 (±0.08) - 89.40(±0.06) +0.200(+0.004) Absolute standard deviation == Coefficient of variation = Result = ± y= y = 0.0040 (+0.0005) x 10.28 (+0.02) × 395(+1) Result = ± Absolute standard deviation = Coefficient of variation = % 329(+0.03) x 10-14 1.47 (+0.04) x 10-16 % % H % ±
i was wondering if i could get help with questions a and b
5. Suppose the number of days it takes you to get a flu shot after it is available follows this equation: Y₂ = 30 - 2X₁ where y, is the number of days until you get the flu shot, and X, is the number of people you know who have the flu. Further, suppose on average you know 2.3 people who have the flu, with standard deviation 5. Suppose that the population has size m = 10. (a) Find the average time until you get the flu shot after it is available. (b) Find the standard deviation of time until you get the flu shot after it is available. (c) What is EY;?
chap 14.6 Q1
Suppose μ₁ and ₂ are true mean stopping distances at 50 mph for cars of a certain type equipped with two different types of braking systems. The data follows: m = 8, x = 115.6, $₁=5.09, n = 8, y = 129.5, and s₂ = 5.33. Calculate a 95% CI for the difference between true average stopping distances for cars equipped with system 1 and cars equipped with system 2. (Round your answers to two decimal places.) USE SALT Does the interval suggest that precise information about the value of this difference is available? O Because the interval is so narrow, it appears that precise information is available. O Because the interval is so wide, it appears that precise information is available. O Because the interval is so narrow, it appears that precise information is not available. O Because the interval is so wide, it appears that precise information is not available.

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