* Homework Help - Q&A from Onli x _ Rounding Numbers Calculator > ob 3 - Google Docs X Do Homework - Duaa Ashkar X + X C A mathxl.com/Student/PlayerHomework.aspx?homeworkld=5811 10041&questionld=13&flushed=true&cld=6139192&back=https://www.mathxl.com/Student/DoAssignments.aspx?tc_profile. Business Statistics - BUS 3700-01 Duaa Ashkar & | 10/09/20 12:36 AM Homework: Chapter 10 Save Score: 3.33 of 5 pts 8 of 16 (15 complete) HW Score: 88.14%, 70.52 of 80 pts X 10.2.22-T Question Help The following table shows the average number of words understood by later-born and first-born one-year-old children from two random samples. Assume the population variances of the number of words understood are equal. Use the table to complete parts a through c. Later-Born First-Born Sample mean 433.4 549.0 Sample standard deviation 130.3 131.6 Sample size 11 11 a. Construct a 90% confidence interval to estimate the difference between the average number of words understood by first-born and later-born one-year-old children. The 90% confidence interval is ( ) (Round to two decimal places as needed.) Enter your answer in the edit fields and then click Check Answer. (? 2 parts remaining Clear All Check Answer 4 12:36