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Calculate the class boundaries, midpoints, fx, fx2, and cumulative frequencies for the given data with a class width of 10.

Mathematics

ScanSolve AI Answer

Here are the computations for the given data:

First, we prepare the data by finding class boundaries, midpoints (xx), fxfx, fx2fx^2, and cumulative frequencies (cfcf). The class width (cc) is 10.

ScoresClass BoundariesMidpoint (xx)Frequency (ff)fxfxx2x^2fx2fx^2Cumulative Frequency (cfcf)
10-199.5 - 19.514.5114.5210
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