QUESTION 3Four different insulator products made of different rubber mixtures are being tested. One of thetested features of the products is their tensile strength. Therefore, a random sample of insulatorproducts drawn from each mixture is used to determine whether there is variability in the meantensile strength data. Table 2 shows the measured data on tensile strength in grams per squarecentimetre.A16.821.420.121.519.218.5Rubber MixtureBс16.919.516.4 18.917.118.620.9 20.515.818.1D14.620.316.417.5Table 2Design your analysis at the 0.025 and 0.25 significance levels from tabulated data. Compareyour findings.

Anova is the measure of parametric test. It is compares the mean significance between the three or…

Answered: QUESTION 3 Four different insulator…

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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A www-awu.aleks.com A ALEKS - MATH 100 FA21 001-126 150-161 O GEOMETRY, MEASUREMENT, DATA ANALYSIS A AL Percentiles mg -) of 15 individuals are dL The serum cholesterol levels (in 211, 230, 203, 240, 237, 196, 191, 232, 208, 254, 235, 252, 220, 249, 186 Find 25" and 60" percentiles for these cholesterol levels. (a) The 25th percentile: mg dL (b) The 60th percentile:n mg dL Exlanation Check 2021 McGraw H LLC A Rights Reserved Terms of Use| Pivacy Cent 80 19 F10 esc FS F6 F7 F1 F2 F4 # $ % & 1 2 4 6 7 8 9 W E R Y P Q tab F G K A S caps lock > M C V shift V - I * : N *: II
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Researchers believe that students who study from a screen (e.g., phone, computer) have different grades than students who study from physical pages (e.g., notes). To test this hypothesis, one professor identifies a sample of n = 16 students who study from a screen. They had an average score of M = 72.5 on the final exam. The average for the population of students for the final exam is Mu = 77, σ = 8 and forms a normal distribution. Based on this sample, does the professor have enough evidence to support the researcher’s belief at an α = .05 level? The researcher will use a one-sample z-test. All assumptions have been met.
o bag the potato chips. They had noticed a wide variability in th ags that were being produced with their current equipment, and e the variability. Therefore, they decided to determine if a newer reduce the variability in the weights of the bags. They randomly gs from their current machine and 50 bags from the new machin ded an average weight of 10 ounces. However, the current mach tion of 0.15 ounces and the new machine had a standard deviatic es.Carry out the appropriate hypothesis test at the a = 0.05 lev ..
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X zy Section 5.4 - QNT/275T: Statistics X /chapter/5/section/4 ision Making home > tween two population means ypothesis test for the difference between two population means. Jump to level 1 The mean voltage and standard deviation of 12 batteries from each manufacturer were measured. The results are summarized in the following table. Sample mean Manufacturer voltage (millivolts) CHA B Check + 106 101 What is the test statistic? Ex: 0.123 Next What type of hypothesis test should be performed? Select Select Left-tailed z-test Paired t-test What is the number of degrees of freedom? Ex: 25 Two-tailed z-test Unpaired t-test Population standard deviation(millivolts) 3 Does sufficient evidence exist to support the claim that the voltage of the batteries made by the two manufacturers is different at the a = 0.05 significance level? [Select v 2 5
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