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 is the level of significance?The null hypothesis is

The alternative hypothesis is

Should

be rejected or does

fail to be rejected?What conclusion can be drawn from the data?What are the population parameters?evidence exists to support the claim that the mean time taken to read a book after the program is lower than before the program.