Exhibit 15-5.The accompanying table shows the regression results when estimating . Refer to Exhibit 15-5.When testing whether or not x₁ and x₂ have the same influence on y,the null hypothesis is

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The null hypothesis when testing whether x₁ and x₂ have the same influence on y is that the coefficients for both variables are equal (i.e. β1 = β2). Therefore, the null hypothesis is 11eaa4ae_7a84_0b68_9180_9d02ac7e353b_TB2339_11.