Consider the following data for a dependent variable y and two independent variables, x1 and x2. x1 x2 30 13 95 47 11 108 25 17 112 51 16 179 41 95 52 20 175 74 7 171 36 13 118 60 14 142 77 17 211 The estimated regression equation for these data is ŷ = -12.88 + 1.96x1 + 4.27x2 Here SST = 15,090.4, SSR = 13,501.7, 8b. 0.2893, and sb2 1.0822. %3D a. Test for a significant relationship among a1, x2, and y. Use a = .05. Compute F-test statistic (to 2 decimals). Use F table. The p-value is - Select your answer - What is your conclusion? - Select your answer - b. Compute the t test statistic for the significance of B1. Use a = .05 (to 2 decimals). Use t table. Thep-value is - Select your answer - ♥ What is your conclusion? B1 - Select your answer - v significant. c. Compute the t test statistic for the significance of B2. Use a = .05 (to 2 decimals). Uset table. The p-value is - Select your answer - What is your conclusion? B2|- Select your answer - ♥ significant.

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Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.