Q2 ABC STATISTIC SUBJECT: STATISTIC PLEASE ANSWER ASAP Q2 (a)(b)(c)(ii)The average daily solar insolation test performed on 8 hours produced the followingsolar radiation (in W/m²) for single PV solar tracker as in Table Q2. Find a 95%confidence interval for the true average daily solar radiation of the single PV solartracker panel.20.66104.96(i)39.78125.33Table Q244.17105.3470.6186.17Find the sample size needed for 99% confidence with a margin error within+10W/m² and +5W/m². Assume that o = 10 as the estimate of standard deviationin each case. Interpret the relationship between the sample size and the margin oferror.The average daily solar radiation for PV solar tracker Golden Spiral type design is80, while the average daily solar radiation for PV solar tracker Angle-oriented typedesign is 75. A random sample of 8 and the other sample of 9 solar panels wereobserved for both types of solar tracker and give the standard deviations as 5 and 3respectively.Construct and interpret a 90% confidence interval for the differencebetween the mean solar radiation for these two types of solar tracker,assuming normal populations with equal variances.Construct a 95% confidence interval for the true variance for both types ofsolar tracker.

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Answered: Q2 (a) The average daily solar…

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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It is being desired to estimate the average daily emission, in tons, of sulfur oxides by a large industrial plant. If n = 40 , x ̅=19.6 tons and s=5.51 tons. Construct a 95 percent large - sample confidence interval for the plant’s true average daily emission of sulfur oxides.
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A psychologist is studying the effects of lack of sleep on the performance of various perceptual-motor tasks. After a given period of sleep deprivation, a measurement of reaction time to an auditory stimulus was taken for each of 36 adult male subjects. The reaction times (in seconds) are summarized as follows: x = 1.82, s = 0.22 Previous psychological studies show that the true mean reaction time for non-sleep-deprived male subjects is 1.70 seconds. b) Find a 95% confidence interval for the mean reaction time for sleep-deprived male subjects.
Q.4.2 Construct a 90% confidence interval for the true average monthly salary earnedby all employees of People Plus Pty, if it was found that the average monthlysalary earned by a sample of 16 employees of the company was R17 500, with astandard deviation of R1 650. Interpret your answer.

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