Henri conducts an experiment to determine who likes peanut butter more: boys or girls. He has 25 girls and 25 boys taste some peanut butter and then rate it on a scale of 1 - 10 with 1 being cannot stand and 10 being tastes delicious.
He finds that the girls had a mean of 7 with a range of 9 and the boys had a mean of 8 with a range of 5. Which statement is true?
Responses
A On average, girls like peanut butter more than boys. On average, girls like peanut butter more than boys.
B The person who rated peanut butter the worst was a boy. The person who rated peanut butter the worst was a boy.
C Girls varied more than boys in how they liked peanut butter.Girls varied more than boys in how they liked peanut butter.
D Half of the boys rated peanut butter a 9 or 10.
3 answers
A: On average, girls like peanut butter more than boys.
Mrs. Myles gave the same test to both her first and third period class. In first period, the median was 75 and the range was 30. In third period, the median was 80 and the range was 60. Which is a true statement? [Assume that scores can reach a maximum of 100.]
Responses
A There is not enough information to know if any of these is true.There is not enough information to know if any of these is true.
B The lowest score was in third period.The lowest score was in third period.
C The highest score was in first period.The highest score was in first period.
D On average, first period did better than third period.
Responses
A There is not enough information to know if any of these is true.There is not enough information to know if any of these is true.
B The lowest score was in third period.The lowest score was in third period.
C The highest score was in first period.The highest score was in first period.
D On average, first period did better than third period.
A: There is not enough information to know if any of these is true.