Math 240

X Zy Section 8.1 - MAT 240: Applied St X Course Hero ooks.com/zybook/SNHUMAT240Master1/chapter/8/section/1 ary > MAT 240: Applied Statistics home > pothesis tests for the difference between two population means zyBooks catalog Jump to level 1 A middle school teacher believes that a reading rewards program results in less time to read a book after the program is completed. The teacher chooses a simple random sample of students and records the time taken to read a book before starting the program and after the program is completed. The results of the study are below. What are the population parameters? Pick Before After Mean 806.9 657 What is the level of significance? Ex: 0.12 Variance 183740.293 170705.172 Observations 100 100 Hypothesized Mean Difference Is the two-sample hypothesis test a paired or unpaired t-test? Pick v if 198 t Stat 2.518 0.00630003 What is the null hypothesis Ho? Pick v P(T