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Calculate the 20th, 50th, and 80th percentiles for the following data set: (Use the methodology shown...

Calculate the 20th, 50th, and 80th percentiles for the following data set: (Use the methodology shown in Section 3.2 of the text to calculate the percentiles. Do not round intermediate calculations. Round your final answers to 1 decimal place.)

85 195 177 300 238 186 280
Math   Statistics-And-Probability   
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Note : Section 3.2 methodology did not mentioned so i followed regular procedure .If methodology is different answers may be different.

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