head(blood)
pat , bidil race bf1 bf 2 1 1 0 1 286 279 2 2 1 1 262 259 3 3 0 1 275 278 4 4 0 1 262 262 5 5 0 1 271 276 6 6 1 1 309 293
Please take a look at the homework policy and then modify your question. Showing what you have tried and what, specifically, you are stuck on would be very helpful.
FAQ: Homework Policy
try ?hist in the R console
?hist
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