17.7 please Count40 25.8600.625056:(24.597, 27.123)17.7 wings. studied the of monarchNarerpret in context the confidence interval for the women. How does it relatethe definition of a healthy BMI?laterpret in context the confidence interval for the men. How does it relate toaThe researchers claim to answer the question of what constitutes an ideal bodyre Why might the study findings not be representative of all adults in general?4.STEPburterflies (Danaus plexippus), a species that undertakes large seasonal migrationsver North America. They measured the forewing weight (in milligrams, mg) ofample of 92 monarch butterflies, all of which had been reared in captivity inidentical conditions. Figure 17.4 shows the output from the statistical softwareIMP. (The data are also available in the Large.Butterfly the data file if you wishtO practice working with your own software.) Estimate with 95% confidence themean forewing weight of monarch butterflies reared in captivity. Follow the four-step process as illustrated in Example 17.2.JMPFWweight2515OL5.6.10 11 12 1314 158.Summary Statistics11.7956521.17594130.122600412.039183MeanStd DevStd Err MeanUpper 95% MeanFIGURE 17.411.55212292Software output (JMP) for theforewing weight of monarchbutterflies.Lower 95% Mean the population of all obese adolescent males similar to the individuals studied isRounded to four decimal places, all five outputs give (0.2124, 0.3044) for theCONCLUDE: We are 95% confident that the mean plasma testosterone level inSEM, and the confidence interval from the data, as illustrated in Figure 17.3.SOLVE: OBTAIN THE CONFIDENCE INTERVAL: Software will find R, s.lger population of all obese adolescent males in the United States or elsewhere.mewhere between 0.212 and 0.304 nmol/l. This conclusion may apply to the95% confidence interval for the mean of this population.4:03 1LTEEXAMPLE 17.2malesWe follow the four-step process to obtain a confidence interval.page 354.A study investigated a possible link between obesity and plasma testostencentrations in adolescent males between the ages of 14 and 20the data for 25 obese adolescent males, measured in nanomoles per liter of Hd(nmol/1)years.Here an0.30 0.24 0.19 0.17 0.18 0.23 0.24 0.06 0.150.17 0.18 0.17 0.15 0.12 0.25 0.25 0.25 0320.35 0.37 0.39 0.46 0.49 042 0.36We want to estimate the mean testosterone level in obese adolescent malesPLAN: We will estimate the mean testosterone level a for all obese adolesommales by giving a 95% confidence interval.SOLVE: CHECK THE CONDITIONS FOR INFERENCE:. We don't have an actual SRS from the population of all obese adolecemales. Scientists usually act as if a set of subjects is an SRS of the ipopulation of interest if there is nothing special about how the subjects wetobtained. These subjects were obese young males at pubertal and pospubestages who were otherwise healthy. They were recruited at the WomenChildren's Hospital of Buffalo, New York, the health care facility arepresentative of all obese adolescent males in the Buffnlo area and pethe United States or countries with similar populationsTHE ONE SAMPLEF CONCENCE NT012.060240.30Testosterse m/D0.360.42G.48FIGURE 172Detplot of plasma televels in obese adosom itions performed by software in Example 17.2 involve the follow-

We have given that Sample size n =92 Sample mean =11.7957 Standard deviation =1.1759

butterflies (Damaus plexippus), a species that undertakes large seasonal migrations size. Why might the study findings not be representative of all adults in general? 4T er North America. They measured the forewing weight (in milligrams, mg) of sample of 92 monarch butterflies, all of which had been reared in captivity in identical conditions. Figure 17.4 shows the output from the statistical software IMP. (The data are also available in the Large.Butterfly the data file if you wish TO practice working with your own software.) Estimate with 95% confidence the mean forewing weight of monarch butterflies reared in captivity. Follow the four- step process as illustrated in Example 17.2. STEP over 6. * JMP FWweight

butterflies (Damaus plexippus), a species that undertakes large seasonal migrations size. Why might the study findings not be representative of all adults in general? 4T er North America. They measured the forewing weight (in milligrams, mg) of sample of 92 monarch butterflies, all of which had been reared in captivity in identical conditions. Figure 17.4 shows the output from the statistical software IMP. (The data are also available in the Large.Butterfly the data file if you wish TO practice working with your own software.) Estimate with 95% confidence the mean forewing weight of monarch butterflies reared in captivity. Follow the four- step process as illustrated in Example 17.2. STEP over 6. * JMP FWweight

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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