$1-$ Run a regression equation $($model$)$ where $$academic year salary$$ is dependent variable and $$sex$$ as independent variable. Explain the following in your estimation output.

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a$)$ What is the value of intercept in the equation?

b$)$ What is the value of slope parameter for variable sex in the estimated equation?

c$)$ Write down the value of t$-$ratio for both intercept and slope parameter for sex.

d$)$ How do you interpret the value of estimated coefficient $($slope parameter$)$ for variable sex?