b. Determine the value of ŷ when x is 7. (Round your answer to 3 decimal places.)The value of ŷ The following sample of observations were randomly selected.X:363448y:131571213119.Click here for the Excel Data Filea. Determine the regression equation. (Negative amounts should be indicated by a minus sign. Round your answers to 3 decimalplaces.)y – y(y –(x – x) (y – 9)y5132.3755.641315-1.8753.516-8.2036713.141-4.078312-1.8751.375413-0.8750.766-2.0784110.3750.14169.1.125-1.625831.641-17.5783985T=Sy =Syr =a =Y' =+

a. The sums are, x y x-x¯ y-y¯ x-x¯2 y-y¯2 x-x¯y-y¯ 5 13 0.125 2.375 0.016 5.641 0.297 3 15…

Answered: a. Determine the regression equation. (…

Math

Statistics

a. Determine the regression equation. ( places.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.1: Measures Of Center

Problem 9PPS

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The following estimated regression equation based on 10 observations was presented. ŷ = 25.1270 + 0.5309x1 + 0.4920x2 Here, SST = 6,738.125, SSR = 6,221.375, sb1 = 0.0818, and sb2 = 0.0563. Perform a t test for the significance of β1. Use α = 0.05. State the null and alternative hypotheses. a. H0: β1 > 0 Ha: β1 ≤ 0 b. H0: β1 ≠ 0 Ha: β1 = 0 c. H0: β1 < 0 Ha: β1 ≥ 0 d. H0: β1 = 0 Ha: β1 > 0 e. H0: β1 = 0 Ha: β1 ≠ 0 5. Find the value of the test statistic. (Round your answer to two decimal places.) 6. Find the p-value. (Round your answer to three decimal places.) p-value = 7. State your conclusion. a. Do not reject H0. There is sufficient evidence to conclude that β1 is significant. b. Reject H0. There is insufficient evidence to conclude that β1 is significant. c. Reject H0. There is sufficient evidence to conclude that β1 is significant. d. Do not reject H0. There is insufficient evidence to conclude that…
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