Question 6 1 Point Below are the weekly salaries, in dollars, of nine recent college graduates. Utilize the data to calculate the variance. 833 692 1057 955 749 1113 857 946 907 A 16,400.22 dollars squared B 18,450.25 dollars squared C 17,520.88 dollars squared D 19,210.10 dollars squared Question 7 1 Point Which of the following is representative of a sample? A The number of homes in Florida that have a pool in their backyard B The height of every fourth passenger on a flight to NYC C The hours spent on the phone texting for teenagers at a local high school D The ages of adults in the Arizona that have 0-neg blood type