I am in need of help with this question. Please be descriptive as possible. Thank you.

The length of life (in hours of a sample of 40 20-watt compact fluorescent light bulbs produced by manufacturer A and a sample of 40 20-watt compact fluorescent light bulbs produced by manufacturer B are stored in Bulbs. Completely analyze the differences between the lengths of life of the compact fluorescent light bulbs produced by the two manufacturers. ( Use 0.05 level of significance. )

Manufacturer 1 (2-41 in Excel)

Time: 6840 8310 8590 8930 9220 9390 9720 10160 6970 8350 8600 8990 9240 9430 9770 10410 7200 8480 8680 9050 9260 9460 9840 10520 7730 8520 8700 9090 9260 9540 10050 10800 8210 8520 8760 9110 9380 9710 10140 10930

Manufacturer 2 (42-81 in Excel)

Time: 8190 9070 9520 9940 10160 10380 10960 11530 8360 9120 9590 10040 10180 10720 11000 11540 8880 9180 9620 10050 10200 10770 11130 11740 8970 9420 9860 10070 10220 10770 11130 11880 9030 9430 9920 10150 10340 10820 11160 12300