This problem is pertaining to the data set of 80 measurements represented by the following stem and leaf diagram, in which the stems are the digits in the tens place and leaves are the digits in the...

how do i find the percentile rank of the measurement 57

Extracted text: This problem is pertaining to the data set of 80 measurements represented by the following stem and leaf diagram, in which the stems are the digits in the tens place and leaves are the digits in the ones place. For these data, Ex = 5, 878 and x² = 444, 904 . 9 |0 0 0 1 8 0 0 0 1 1 70 0 0 0 1 1 1 2 2 6 0 1 1 2 2 2 5 2 2 4 5 6 3 6 7 8 8 8 9 9 9 5 6 7 7 7 8 8 8 9 9 1 2 2 4 3 4 4 3 3 4 7 8 4 7 8 8 9 The percentile rank of the measurement 57 is about 73 7 5 3 7 536