WORD PROBLEM #2 Research results suggest that children with…

WORD PROBLEM #2 Research results suggest that children with ADHD tend to watch more TV than children who are not diagnosed with the disorder.  To examine this relationship, a researcher obtains a random sample of n = 64 children, 8 to 12 years old, who have been diagnosed with ADHD.  Each child is asked to keep a journal recording how much time each day is spent watching TV right after school.  The average for the sample is M = 48 min.  It is known that the average time for the general population of 8 to 12 year-old children is

WORD PROBLEM #3 Find the z‑score corresponding to each of th…

WORD PROBLEM #3 Find the z‑score corresponding to each of the following scores.  To receive full credit, please use notebook paper and pencil to solve the word problem.  Make sure you specifically show all work in each of the steps. Then answer the next 7 questions.  X   12 15 18 15 20