13 (b)What sampling distribution will you use? What assumptions are you making?The standard normal. We assume that d'has an approximately normal distribution.The Student's t.The Student's t. We assume that d'hasWe assume that d'has an approximately normal distribution.an approximately uniform distribution. The standard normal. We assume that d'has an approximatelyuniform distribution.What is the value of the sample test statistic? (Round your answer to three decimal places.)(c)Find (or estimate) the P-value.0.100 < P-value < 0.125 0.075 < P-value < 0.100P-value > 0.250 0.125 < P-value < 0.2500.050 < P-value < 0.075 P-value < 0.050Sketch the sampling distribution and show the area corresponding to the P-value.A plot of the sampling distribution probability curve has a horizontal axis with values from -4 to 4. Thecurve enters the window from the left, just above the horizontal axis, goes up and to the right, changesdirection over approximately 0 on the horizontal axis, and then goes down and to the right before exitingthe window just above the horizontal axis. The area under the curve between 1.83 and 4 is shaded In this problem, assume that the distribution of differences is approximately normal. Note: For degrees offreedom d.f. not in the Student's t-table, use the closest d.f. that is smaller. In some situations, this choiceof d.f. may increase the P-value by a small amount and therefore produce a slightly more "conservative"answer.In environmental studies, sex ratios are of great importance. Wolf society, packs, and ecology have beenstudied extensively at different locations in the U.S. and foreign countries. Sex ratios for eight study sitesin northern Europe are shown below.Location of Wolf Pack % Males (Winter) % Males (Summer)USE SALTFinlandFinlandFinlandLaplandLaplandRussiaRussiaRussia68(a)What is the level of significance?597955645041554962614855505045It is hypothesized that in winter, "loner" males (not present in summer packs) join the pack to increasesurvival rate. Use a 5% level of significance to test the claim that the average percentage of males in awolf pack is higher in winter. (Let d = winter - summer.)

There are two dependent samples which are Winter and Summer. We have to test whether the average…

In environmental studies, sex ratios are of great importance. Wolf society, packs, and ecology have been studied extensively at different locations in the U.S. and foreign countries. Sex ratios for eight study sites in northern Europe are shown below. Location of Wolf Pack % Males (Winter) Finland Finland Finland Lapland Lapland Russia Russia Russia 68 59 79 55 64 50 41 55 % Males (Summer) 49 62 61 48 55 50 50 45

In environmental studies, sex ratios are of great importance. Wolf society, packs, and ecology have been studied extensively at different locations in the U.S. and foreign countries. Sex ratios for eight study sites in northern Europe are shown below. Location of Wolf Pack % Males (Winter) Finland Finland Finland Lapland Lapland Russia Russia Russia 68 59 79 55 64 50 41 55 % Males (Summer) 49 62 61 48 55 50 50 45

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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