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Chapter 2: Q.25 (page 132)

Jesse was ranked 37th in his graduating class of 180 students. At what percentile is Jesse鈥檚 ranking?

Short Answer

Expert verified

Jesse's ranking is at80thpercentile.

Step by step solution

01

Content Introduction

The formula for calculating percentile is:

x+0.5yn(100)

Here,

x is number of data values counting from the bottom of the data

y is number of data values which are same

n is total number of data values.

02

Content Explanation

The rank 37was only given to Jesse, it means that x=143,y=1

=143+0.5(1)180(100)=80

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