Standard error of estimate is obtained by the following formula.
A. $$\frac{{\sum {{\left( {Y - \overline Y } \right)}^2}}}{N}$$
B. $$\frac{{\sum {{\left( {Y - {Y_c}} \right)}^2}}}{N}$$
C. $$\sqrt {\frac{{\sum {{\left( {Y - {Y_c}} \right)}^2}}}{N}} $$
D. $$\sqrt {\frac{{\sum {{\left( {Y - \overline Y } \right)}^2}}}{N}} $$
Answer: Option C
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