Data was collected for 367 randomly selected 10-minute intervals. For each ten-minute interval, the number of people entering the atrium of a large mall were recorded. The data is summarized in the histogram below. Frequency -80 60 -40 20 100 105 110 115 120 125 Number of People in 10 min a What is the class width for this histogram (and corresponding GFDT)? Note: Each class contains its lower class limit, but not its upper class limit. Class width=

5 2 5 10

Diagonalize the matrices in Exercises 7-20, if possible. The roul eigenvalues for Exercises 11-16 and 18 are included below the matrix.

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A 13 5 B 12

7 20 21

HIN 3 7 5

C 20 25

I need help with 8