You now plan to use ols to estimate your first-difference equation, in order to obtain the first-difference estimator. suppose that xit is a binary variable equal to 1 if the individual was born male, and 0 otherwise.
true or false:
the first-differenced estimator cannot be estimated in this case.

Will give brainliest series to sigma notation write the following series in sigma notation. 6+10+14+18+22+26+30 example image shown below.

Which statement accurately explains whether a reflection over the x-axis and a 180° rotation would map figure acb onto itself?

(05.08a)triangle abc is transformed to similar triangle a′b′c′ below: a coordinate plane is shown. triangle abc has vertices a at 2 comma 6, b at 2 comma 4, and c at 4 comma 4. triangle a prime b prime c prime has vertices a prime at 1 comma 3, b prime at 1 comma 2, and c prime at 2 comma 2. what is the scale factor of dilation? 1 over 2 1 over 3 1 over 4 1 over 5