MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear re…
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
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aanswer all: dont use excel.

Data for Home Voltages and Generator Voltages Complete data set O Day Home (volts) Generator (volts) Day Home (volts) Generator (volts) 1 123.1 124.1 21 123.2 125.0 2 123.6 124.2 22 123.5 124.9 123.6 125.4 23 123.5 124.9 4 123.7 124.6 24 123.5 124.3 123.4 124.8 25 123.5 124.1 123.5 124.3 26 123.5 124.2 123.5 124.7 27 123.0 124.6 123.1 124.3 28 123.1 124.3 123.8 124.6 29 123.7 124.9 10 123.6 124.1 30 123.5 124.8 11 123.7 124.3 31 123.4 124.6 12 123.2 124.7 32 123.2 124.6 13 123.4 124.9 33 124.0 124.9 14 123.1 124.0 34 123.8 125.0 15 123.8 125.0 35 123.9 124.9 16 123.0 124.6 36 124.0 124.0 17 123.6 124.7 37 124.0 124.5 18 123.2 124.5 38 123.2 124.6 19 123.6 124.0 39 123.3 124.8 20 123.5 124.7 40 123.7 124.9
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Transcribed Image Text:Data for Home Voltages and Generator Voltages Complete data set O Day Home (volts) Generator (volts) Day Home (volts) Generator (volts) 1 123.1 124.1 21 123.2 125.0 2 123.6 124.2 22 123.5 124.9 123.6 125.4 23 123.5 124.9 4 123.7 124.6 24 123.5 124.3 123.4 124.8 25 123.5 124.1 123.5 124.3 26 123.5 124.2 123.5 124.7 27 123.0 124.6 123.1 124.3 28 123.1 124.3 123.8 124.6 29 123.7 124.9 10 123.6 124.1 30 123.5 124.8 11 123.7 124.3 31 123.4 124.6 12 123.2 124.7 32 123.2 124.6 13 123.4 124.9 33 124.0 124.9 14 123.1 124.0 34 123.8 125.0 15 123.8 125.0 35 123.9 124.9 16 123.0 124.6 36 124.0 124.0 17 123.6 124.7 37 124.0 124.5 18 123.2 124.5 38 123.2 124.6 19 123.6 124.0 39 123.3 124.8 20 123.5 124.7 40 123.7 124.9
Assume that the two samples are independent sirmple randam samples selecleci from normally distrituled papulations. Do nol assume that the papulation slarıdard devialions are equal. Refer to the accomparying data set. Use a 0.05 significance level to test the daim that the sample of home voltages and the sample of generator voltagas are from populations with the same mean. If there is a statistically significant difference, does that difference have practical signitficance? E Click the icon to view the data for hame voltages and generator voltages. Let u, ba the population mean home voltage and let u be the population mean generator voltage. What are the null and alternative hypotheses? OA. H F= OB. H 4 Hạ: 4 = V2 OC H = OD. Hgi 4< a H4: 4 = 2 Calrulate the test statistic, 1= (Round to three decimal places a needed.) Find the P-value. P-value = (Round to four decimal placas as needed.) Make a conclueion about the nul hypolhesis and a final conclusion that addresses the original daim. * Họ. There sutticdent evidenoe to warrant rejection of the claim that the sample of home voltages and the sample of generstor voltages are from populations with the same mean. The cifferenoe V statistically slignificant. If there is a statistically significant difference, does that difference have practical significaroe? O A. The eample meane suggeet the: the cifference does not have practical significance. The generator could be used as a eubetitute when needed. O B. The sample meane suggeet that the cifference does have practical eignificance. The generator could not be used as a eubstitute when needed. OC. The sampie meene suggeet that the cifference does not have practical significance. The generator could not be used as a subatitute when needed. OD. The difference la not statietically significant
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Transcribed Image Text:Assume that the two samples are independent sirmple randam samples selecleci from normally distrituled papulations. Do nol assume that the papulation slarıdard devialions are equal. Refer to the accomparying data set. Use a 0.05 significance level to test the daim that the sample of home voltages and the sample of generator voltagas are from populations with the same mean. If there is a statistically significant difference, does that difference have practical signitficance? E Click the icon to view the data for hame voltages and generator voltages. Let u, ba the population mean home voltage and let u be the population mean generator voltage. What are the null and alternative hypotheses? OA. H F= OB. H 4 Hạ: 4 = V2 OC H = OD. Hgi 4< a H4: 4 = 2 Calrulate the test statistic, 1= (Round to three decimal places a needed.) Find the P-value. P-value = (Round to four decimal placas as needed.) Make a conclueion about the nul hypolhesis and a final conclusion that addresses the original daim. * Họ. There sutticdent evidenoe to warrant rejection of the claim that the sample of home voltages and the sample of generstor voltages are from populations with the same mean. The cifferenoe V statistically slignificant. If there is a statistically significant difference, does that difference have practical significaroe? O A. The eample meane suggeet the: the cifference does not have practical significance. The generator could be used as a eubetitute when needed. O B. The sample meane suggeet that the cifference does have practical eignificance. The generator could not be used as a eubstitute when needed. OC. The sampie meene suggeet that the cifference does not have practical significance. The generator could not be used as a subatitute when needed. OD. The difference la not statietically significant
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