What is the area of this trapezoid PLS TELL ME IF ITS IN or IN^2

This is your answer. If I'm right so,

Please mark me as brainliest. thanks!!!

Data range
22
30 37
45 46 46 49
53 55 56 57 57 59
60 60 62 62 62 67 69
72 73 73 73 75 75 76 76 78 78
80 80 81 82 83 83 86 87 89
90 91 92 95 95 97 97 99

In the histogram that I will make, the vertical values represents the frequency of the data. The horizontal value represents the 10% interval of the grades.

Pls. see attachment.