Question: I am confused about how the answer to the third quation was calculated https://www.coursehero.com/u/file/14369663/Midterm/#question Following is the data set ranked in order: 180 183 185

I am confused about how the answer to the third quation was calculated

https://www.coursehero.com/u/file/14369663/Midterm/#question

Following is the data set ranked in order:

180 183 185 210 210 227 250 270 310 375

The question is what is the 80th percentile , the choices given are Select one:

a.310.

b.240.

c.85.

d.290.

e.185.

The answer provided was 290. Please clarify how the answer was calculated.

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