Note: Pls do it in MINITAB, else leave. Also dont give some random and fake answers. most experts are doing the same and coppying other answers.

pes/brands of batteries are tested for their life cycle ( how long does the columns C5 and C6 in Minitab estions Is there a statistical significant difference in lifetime? Which one is w Is there a difference between brand 1 and 3? Assume this difference between 1 and 3 is important for the marketin how many samples should you additionally collect to be able to see statistically significant? Brand 1 Brand 2 Brand 3 100 76 108 96 80 100 92 75 96 96 84 98 92 82 100 Life in weeks Brand 100 96 92 96 92 76 80 75 84 82 108 100 96 98 100 W WNNNNN 1 1 1 1 1 2 2 2 2 2 3 3 3 3 3 3