Hypothesis Testing The average time spent by GenZ's using their phone (for escape) is said to be 120 hours per week. Johnny the researcher believes that the average time spent is lesser than 120 hours...

Hypothesis Testing The average time spent by GenZ's using their phone (for escape) is said to be 120 hours per week. Johnny the researcher believes that the average time spent is lesser than 120 hours every 3 weeks. He decided to ask 7 random students in COLM, the data he gathered was {125, 160, 180, 156, 119, 140, 137} level of significance is 0.05