A sample of 30 distance scores measured in yard has a mean of seven a variance of 16 understand deviation of four. Thus you then decide that you only wanna measure past a certain point so you subtract each score by four. what is the new mean variance in standard deviation

Classify each polynomial by its degree and by its number of terms.

When a rectangle is dilated, how do the perimeter and area of the rectangle change?

Do more republicans (group a) than democrats (group b) favor a bill to make it easier for someone to own a firearm? two hundred republicans and two hundred democrats were asked if they favored a bill that made it easier for someone to own a firearm. how would we write the alternative hypothesis?