In a study of memory recall 8 students from a large psychology class were selected at random and given 10 minutes to memorize a

Question

In a study of memory recall 8 students from a large psychology class were selected at random and given 10 minutes to memorize a list of 20 nonsense words Each was asked to list as many of the words as they could remember both 1 hour and 24 hours later The data are given in the accompanying table Subject 1 hr later 24 hr later 1 23 4 14 12 18 7 Interpret the interval 10 USE SALT 4 13 6 5 11 9 6 9 7 8 16 15 13 2 024 S 6 12 12 Construct a 90 confidence interval for the difference in mean number of words remembered after 1 hour and after 24 hours Use 1 Hour Later 24 Hours Later Enter your answer using interval notation Round your numerical values to four decimal places MY NOTES PRACTICE ANOTHER We are 90 confident that the true difference in mean number of words recalled between 1 hour later and 24 hours later falls within interval suggest the mean number of words is higher 1 hour later 0 this interval The bounds of the

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