${\mathrm{CH}}_3-\underset{\stackrel{|}{\mathrm{OH}}}{\mathrm{CH}}-{\mathrm{CH}}_2-{\mathrm{CH}}_3\stackrel{\mathrm{Conc}.{\mathrm{H}}_2{\mathrm{SO}}_4}{\to }\mathrm{Product}\left(\mathrm{I}\right)+\mathrm{Product}\left(\mathrm{II}\right)$

What is not true regarding the products?

The yield of the product I and II is same

Reaction obeys Saytzeff rule

Product-I and II are position isomers

Product-I and II contains the same number of ${\mathrm{sp}}^3$ and ${\mathrm{sp}}^2$ carbon atoms