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In a regression model involving 48 observations. the following estimated regression equation was obtained. It Y=17+4X1'3X2+8X3+5X4+8X5+6X5+7X7 For this model, EST 2 341i] and MSE =
In a regression model involving 48 observations. the following estimated regression equation was obtained. It Y=17+4X1'3X2+8X3+5X4+8X5+6X5+7X7 For this model, EST 2 341i] and MSE = 12.T5. Perform an F test and determine whether or not the regression model is signicant at 90% level of confidence. at} Compute SSH, SSE, MSE {1+1+1=3 marks} b} Compute dt_within. df_between {.5+.5=1 mark} c] Compute number of dependent. number of independent variables [U.5+D.5='l mark} d) Level of signicance (1 mark} e) Compute the coefcient of determination. {3 marks} I} Formulate the null and alternative hypotheses {.5+.5=1 mark} g) Select the test statistic and calculate its value. {U.5+2=2.5 marks] h) Identifyr CriticalValue for the test statistics and state the decision rule {1.5 marks) if: lCompare calculated and critical values and reach a conclusion about the null hypothesis {1 ma rk} j) Make a Decision {1 mark}
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