In a sample of n = 6 scores, the smallest score is X = 3, the largest score is X = 10, and the mean is M = 6 . If the largest score is changed from X = 10 to X = 22, then what is the value of the new mean?

Your 18-month-old son has been sleeping through the night for the past two months. You and your significant other were very happy with this new development and were looking forward to many more months of it

But he has started waking up at night again and has been pretty fussy during the day. What is the likely reason that he is waking up now? a. He has been drinking too much before bedtime. b. His molars are coming in and he is teething. c. He has been eating too much. d. He is going through a growth spurt.

Yardley is pregnant with her first child. When should she expect to feel its movements?

A) between 8 and 11 weeks B) between 12 and 15 weeks C) between 17 and 20 weeks D) between 21 and 24 weeks