Four different types of solar energy collectors were tested. Each was tested at four randomly chosentimes, and the power (in watts) was measured, The results are listed in the table below. We havesampled to conclude whether there is a difference in the average energy output from each the foursolarenergycollectors.门Collector ACollector BCollector CCollector D1.41.01.41.91.61.21.61.50.92.01.61.21.81.90.91.3We could test the averages from the solar collectors against each other in unique pairs. Howmany separate tests would that demand?(A) 4(B) 16(C) 6 .(D) 8What hypotheses testing method should be used?(A) ANOVA(B) Matched Pairs Test(C) McNemar's Test(D) Shapiro-Wilk TestIn order to use the test specified in problem 18, what three (3) conditions must be satisfied withsamples above?From the sample data, there does seem to be significant evidence that there is a difference inthe average energy output from each the four solar energy collectors. Why? (Be specific)

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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 National Institute of Standard and Technology provided exact data on conductivity properties of materials. Following are conductivity measurements for 11 randomly selected pieces of a particular type of glass. Click this button to reveal the data Conductivtity 1.11 1.07 1.11 1.07 1.12 1.08 0.98 0.98 1.02 0.95 0.95 Download CSV file Download the .csv file or copy/paste the data into Excel. After downloading .csv file, you may want to save it as a Excel Workbook. Based on these data, is there evidence that the median conductivity of this type of glass is greater than 1? Use a 10% level of significance level. a. How many samples of data are there in this study? b. What test you would use for this problem? Select an answer c. The null hypothesis of this test states that Select an answer d. What type of test is this? O One-side Two-side
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You have been hired to measure the concentration of ammonia in water from wells at two districts on Long Island. After sampling 10 wells in one of the districts you find the values are, in mg/L: 6.4, 2.1, 1.4, 0.7, 6.8, 3.2, 2.7, 1.6, 4.9, 1.2. Your assistant plots the data from the second set of wells and the histogram of data from that sample looks pretty much the same as for your data set. Which statistical test do you anticipate that you will use? An one-sample t-test An unpaired, two-sample t-test A paired, two-sample t-test A one-way anova A Mann-Whitney U test Main Content
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