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Now, through parameter estimation, we get a univariate linear regression model of y = 3x+4. In the regression coefficient test, the following statement is wrong ( )

A. The test statistic is the t statistic

B. The null hypothesis is β1=3

C. If the null hypothesis is rejected, it is considered that there is a significant linear relationship between the independent variable and the dependent variable.

D. The P value can be compared with the significance level to determine whether to reject the null hypothesis.

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