Please refer to the following data file when solving the following problem:Problem Data Set 2.xlsx

A manufacturer is developing a nickel-metal hydride

battery to be used in cellular telephones instead of nickel-

cadmium batteries. The director of quality control decides

to evaluate the newly developed battery by picking a random

sample of employees with cellular phones and asking them

to use both phones until the batteries run down. The results

are given in the attached data file.

At the 5% level of significance, is there evidence that the new battery provides more minutes of talk time per battery charge?

a.Yes

b.No

Data set is attached below

Person Old Type Battery New Type Battery 54.5 78.3 67 79.8 41.7 81.3 64.5 69.4 YO U SW NP 86.8 82.8 40.8 82.3 72.5 62.5 8 76.9 77.5 81 85.3 10 83.3 85.3 11 82 86.1 12 71.8 41.1 13 68.8 112.3 14 71 103 15 67.8 95.4 16 56.7 91.1 17 69.7 46.4 18 70.4 87.3 19 74.9 71.8 20 75.4 83.2 21 64.9 85 22 104.4 74.3 23 90.4 85.5 24 72.8 72.1 25 58.7 74.1