Arandom sample of 20 high school students was surveyed and asked "how long does it take you to get ready for school in the morning? " which of the following measure is most resistant to the addition of an extreme outlier?

Which sum or difference identity would you use to verify that cos (180° - q) = -cos q? a.) sin (a -b) = sin a cos b – cos a sin b b.) cos (a -b) = cos a cos b – sin a sin b c.) cos (a -b) = cos a cosb + sin a sin b d.) sin (a + b) = sin a cos b + cos a sin b