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- Table 6 shows the population, in thousands, of harbor seals in the Wadden Sea over the years 1997 to 2012. a. Let x represent time in years starting with x=0 for the year 1997. Let y represent the number of seals in thousands. Use logistic regression to fit a model to these data. b. Use the model to predict the seal population for the year 2020. c. To the nearest whole number, what is the limiting value of this model?Is the magnitude of an earthquake related to the depth below the surface at which the quake occurs? Let x be the magnitude of an earthquake (on the Richter scale), and let y be the depth (in kilometers) of the quake below the surface at the epicenter. x 3.1 4.3 3.3 4.5 2.6 3.2 3.4 y 4.8 9.6 11.2 10.0 7.9 3.9 5.5 A) Make a scatter diagram of the data. Use a calculator to verify that Σx = 24.4, Σx2 = 87.80, Σy = 52.9, Σy2 = 448.51 and Σxy = 189.84.B) Compute r. (Round to 3 decimal places.) C) As x increases, does the value of r imply that y should tend to increase or decrease? Explain your answer.Perform a chi square test of the independent on the following data given alpha = 0.05 and the claim is dependent Red. Blue. Green. orange Year. 2018 923. 258. 196. 68 2019. 922. 289. 149. 116 Find Step1 Step 2 Step 3 Step 4
- For an alpha = .10 and degrees of freedom, df = 32, what is the one-tailed t-value? Give your answer exactly as it appears in the table, with three decimal places.a. Explain pearson's correlation coefficient based image. b. Explain each table based image. c. Explain cronbach's alpha for each variables based image.
