1819 T1W09 Math GRO6 Assessment Task 01 v01
Use the following information to answer questions 4 and 5
Wells College in Aurora, New York was previously an all-girls college. In 2005, the college began to allow boys
to enroll. By 2012, the ratio of boys to girls was 3 to 7.
4. Write an equivalent ratio to 3 boys for every 7 girls. Prove that the ratios are equivalent and include
appropriate labels. (2 points)

If your score on your next statistics test is converted to a z score, which of these z scores would you prefer: minus2.00, minus1.00, 0, 1.00, 2.00? why? a. the z score of 2.00 is most preferable because it is 2.00 standard deviations above the mean and would correspond to the highest of the five different possible test scores. b. the z score of 0 is most preferable because it corresponds to a test score equal to the mean. c. the z score of minus2.00 is most preferable because it is 2.00 standard deviations below the mean and would correspond to the highest of the five different possible test scores. d. the z score of minus1.00 is most preferable because it is 1.00 standard deviation below the mean and would correspond to an above average