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Please refer to the regression output below. At a 1% level of significance, how many significant variables do we have? Coefficients Std. Error t Stat

Please refer to the regression output below. At a 1% level of significance, how many significant variables do we have?

Coefficients Std. Error t Stat P-value Lower 95% Upper 95%
Intercept 101673.87 66200.55 1.54 0.14 -35997.71 239345.46
YEAR -50.41 33.68 -1.50 0.15 -120.44 19.62
DISH 0.40 0.13 3.19 0.00 0.14 0.66
DISP 0.35 0.32 1.10 0.28 -0.31 1.00
RES 10.28 14.60 0.70 0.49 -20.07 40.64

Select one:

a.All variables are significant

b.There are no significant variables

c.There is one significant variable

d.There are three significant variables

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