There is an error in the test suite. The solutions act as though the value of numClass is always 4 when setting the bin width, but then use the correct value of numClass when doing the histogram.
I have fixed the error
Find the alphabetic word product
Omit columns averages from a matrix
Number of Circles in a Number
Calculate the Hamming distance between two strings
Pi Estimate 1
Hexagonal numbers on a spiral matrix
Recaman Sequence - II
Calculate F statistics ( One-way Analysis of Variance)
Bridge and Torch Problem - Minimum time
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