Given the following informationAssumedTotalSum of Squ.Meandeviationsares of devi-from assumedations frommeanthe assumedmean1708180SeriesSeries4132-202290ySum of Products of deviations of x and y from their respectiveassumed mean=2880Number of Pairs of obscrvations10Calculate the Correlation Coefficient hetween x and y.

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Answered: Given the following information Assumed…

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 equation of the least-squares regression line for the data found in Table 1.2. Lastly, are we able to find a line that outputs a smaller total of the sum of the residuals squared than the least-squares regression line, why or why not?
6.1-1
0.92 1.00 0.94 1.03 Co. Z 1.06 1.11 1.01 0.88 0.91 1.14 1. Find the mean content of the samples (two-decimal places). Co. Y:. 2. Find the standard deviation of the samples (two-decimal places). Co. Y: 3. Which company shows better bottling average? 4. Which company is more consistent in bottling? 5. If you are to buy bottled orange juice, which product will you prefer? -; Co. Z:. -; Co. Z: 6. Why?. C. A sample of ages and weights of five women members of an aerobics class showed their weights and ages in years to their nearest birthday: 20 137 22 18 26 24 Age Weight 115 159 141 130 ; Weight: ;Weight: ; Weight: Age: 1. Find the mean of 2. Find the standard deviation of 3. Find the coefficient of variation of 4. Which set of data is relatively more variable? Age: Age: 5. Why?
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)
2. Compute the mean absolute deviation (MAD) and mean square error (MSE) for the following errors: Period (t) 1 2 3 6 4 5 7 Forecast (F;) 6.5 3.8 9.2 1.2 2.3 8.3 6.5 Error (e,) -2.3 | 1.3 -0.9 | 2.1 0.5 | -3.8 | 2.9 Calculate the actual values also.
Score: 90/260 • Question 11 Suppose your manager indicates that for a normally distributed data set you are analyzing, your company wants data points between z = -1.6 and z = 1.6 standard deviations of the mean (or within 1,6 standard deviations of the mean). What percent of the data points will fall in that range? Answer: percent (Enter a number between 0 and 100, not 0 and 1 and round to 2 decimal places)
6.2-2
6.9 To enter the cumulative normal distribution table Þ(Z), calculate Z and Z at the spec limits. upper lower Þ(2) = 0.9772 and Þ(-2) = 0.0228, the area to the right of the USL plus to the left of the LSL is 0.0456.
Ore
4.3-4 6 help
Assume that the helium porosity (in percentage) of coal samples taken from any particular seam is normally distributed with true standard deviation A. Compute a 98% CI for true average porosity of another seam based on n specimens with a sample average porosity of B. n=21 B=5.1 A=0.8 What is the upper bound? Two decimal places
H0:μ=52.9H0:μ=52.9H1:μ<52.9H1:μ<52.9Your sample consists of 49 subjects, with a mean of 52.7 and standard deviation of 2.44.Calculate the test statistic, rounded to 2 decimal places. t=t=

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