Person Treatment 1 Treatment 2 Treatment 3 Totals P p2Totals 3. 6. 36 12 144 9. 81 36 36 4 81 M2 = 2.5 T = 15 M3 = 3.57 T = 25 M1 = 1.16 N=18 %3D %3D T=7 G = 47 G? = 2209 %3D SS1 = 6.83 Critical region SS2 = 9.33 SS3 = 6.83 n = 6 %3D %3D %3D Alpha @.01 %3D 6.36 Mean Squared F ratio Sum of squares Degrees of Freedom Deviations Between 32.28 16.14 10.54 Treatments Within 22.99 15 1.53 Treatments Between Subjects Error Total 55.27 17 APA Summary: Focus ed States) MacBook Air 80 O00 000 F7 F8 F9 F3 F4 F5 F6 %23 & ( ) 8 т N53 123 130 0 BCD EF

Person Treatment 1 Treatment 2 Treatment 3 Totals P p2Totals 3. 6. 36 12 144 9. 81 36 36 4 81 M2 = 2.5 T = 15 M3 = 3.57 T = 25 M1 = 1.16 N=18 %3D %3D T=7 G = 47 G? = 2209 %3D SS1 = 6.83 Critical region SS2 = 9.33 SS3 = 6.83 n = 6 %3D %3D %3D Alpha @.01 %3D 6.36 Mean Squared F ratio Sum of squares Degrees of Freedom Deviations Between 32.28 16.14 10.54 Treatments Within 22.99 15 1.53 Treatments Between Subjects Error Total 55.27 17 APA Summary: Focus ed States) MacBook Air 80 O00 000 F7 F8 F9 F3 F4 F5 F6 %23 & ( ) 8 т N53 123 130 0 BCD EF

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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Poly(3-hydroxybutyrate) (PHB), a semicrystalline polymer that is fully biodegradable and biocompatible, is obtained from renewable resources. From a sustainability perspective, PHB offers many attractive properties though it is more expensive to produce than standard plastics. The accompanying data on melting point (°C) for each of 12 specimens of the polymer using a differential scanning calorimeter appeared in an article. (b) the sample variance s2 from the definition [Hint: First subtract 180 from each observation.] (c) the sample standard deviation (d) s2 using the shortcut method
Table below shows the results obtained in an investigation into the stability of a fluorescent reagent stored under different conditions. The values given are fluorescence signals (in arbitrary units) from dilute solutions of equal concentration. Three replicate measurements were made on each sample. Conditions Trial 1 Trial 2 Trial 3 Freshly prepared 102 100 101 Stored for 1 hr in the dark 101 101 104 Stored for 1 hr in subdued light 97 95 99 Stored for 1 hr in bright light 90 92 94 Is there any significant difference in the conditions applied to the stability of the reagent?
Many elementary school students in a school district currently have ear infections. A random sample of children in two different schools found that 16 of 42 at one school and 18 of 34 at the other have ear infections. At the 0.05 level of significance, is there sufficient evidence to support the claim that a difference exists between the proportions of students who have ear infections at the two schools? Group of answer choices No, because the test statistic –1.29 is inside the noncritical region –1.96 < z < 1.96. Yes, because the test statistic –1.29 is outside the noncritical region –1.64 < z < 1.64. No, because the test statistic 1.29 is inside the noncritical region –1.96 < z < 1.96. Yes, because the test statistic –6.29 is outside the noncritical region –1.96 < z < 1.96
Radiation in Baby Teeth Listed below are amounts of strontium-90 (in millibecquerels, or mBq) in a simple random sample of baby teeth obtained from Pennsylvania residents born after 1979 (based on data from “An Unexpected Rise in Strontium-90 in U.S. Deciduous Teeth in the 1990s,” by Mangano et. al., Science of the Total Environment).
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1. Measurements of gastric secretion of hydrochloric acid (milliequivalents per hour) in 18 normal subjects and 15 subjects with duodenal ulcer yielded the following results:Normal subjects: 6.3, 2.0, 2.3, 0.5, 1.9, 3.2, 4.1, 4.0, 6.2, 6.1, 3.5, 1.3, 1.7, 4.5, 6.3, 6.2, 0.9, 3.3Ulcer subjects: 13.7, 20.6, 15.9, 28.4, 29.4, 18.4, 21.1, 3.0, 26.2, 13.0, 12.1, 13.7, 18.9, 12.3, 5.7Could you conclude that the average gastric secretion of hydrochloric acid in ulcer subjects is at least 15 units (milliequivalents per hour larger than the average gastric secretion of hydrochloric acid in normal subjects? State any assumptions needed in your procedure. (usea = .01.)
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Some shrubs have the useful ability to resprout from their roots after their tops are destroyed. Fire is a particular threat to shrubs in dry climates, as it can injure the roots as well as destroy the aboveground material. One study of resprouting took place in a dry area of Mexico. The investigation clipped the tops of samples of several species of shrubs. In some cases, they also applied a propane torch to the stumps to simulate a fire. Of 17 specimens of a particular species, 6 resprouted after fire. Estimate with 95% confidence the proportion of all shrubs of this species that will resprout after fire.Interval:
A new cream that advertises that it can reduce wrinkles and improve skin was subject to a recent study. A sample of 60 women over the age of 50 used the new cream for 6 months. Of those 60 women, 50 of them reported skin improvement(as judged by a dermatologist). Is this evidence that the cream will improve the skin of more than 40% of women over the age of 50? Test using α=0.05 test statistics z=? rejection region z>? The final conclustion is A. We can reject the null hypothesis that p=0.4 and accept that p>0.4 That is, the cream can improve the skin of more than 40% of women over 50.B. There is not sufficient evidence to reject the null hypothesis that p=0.4 That is, there is not sufficient evidence to reject that the cream can improve the skin of more than 40% of women over 50.
Poly(3-hydroxybutyrate) (PHB), a semicrystalline polymer that is fullybiodegradable and biocompatible, is obtained from renewableresources. From a sustainability perspective, PHB offers many attractiveproperties though it is more expensive to produce than standardplastics. The accompanying data on melting point (C) for each of 12 specimens of the polymer using a differential scanning calorimeterappeared in the article "The Melting Behaviour of Poly (3- Hydroxybutyrate) by DSC. Reproduciblety Study" (Polymer Testing, 2013:215-220). 180.5 181.7 180.9 181.6 182.6 181.6 181.3 182.1 182.1 180.3 181.7 180.5 Compute the following:a. The sample range b. The sample variance s from the definition [Hint: First subtract180 from each observation.]c. The sample standard deviationd. s using the shortcut method
Determine the kurtosis if the data given is a sample. Use 4 decimal places