Three drugs for reducing total cholesterol mgdL are being co

Three drugs for reducing total cholesterol (mg/dL) are being compared, below are the results from 8 participants.

Drug 1

Drug 2

Drug 3

220

240

235

219

245

238

250

226

Mean

219.5

245

233

Standard Deviation

0.707

5

6.245

Find SS(within)

Round to one decimal place

Solution