Question: A biochemist is testing two methods of DNA extraction for a degraded tissue sample. She wishes to test if the methods show a significant difference

A biochemist is testing two methods of DNA extraction for a degraded tissue sample. She wishes to test if the methods show a significant difference in DNA fragment length recovery. She has length data in bp for 200 DNA molecules recovered using each extraction method. These datasets are provided in "extraction1.txt" and "extraction2.txt". Carry out the following:

Generate histograms for the datasets (column "bp" in the data files)
Is the mean or median a better measure of central tendency for these datasets?
Report values for your chosen measure
Carry out a suitable statistical test, and report the results
What do you conclude?

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