Challenge

No

Cthulhu is thinking about betting on goat ball point spreads. It wants you to figure out come statistics.

You can download the start workbook with the data. It looks like this:

The scores should all be numbers that are zero or more. There are data errors.

Write a program to compute the two counts and the mean, as well as the score differences. Here's the output:

Differences are always positive, or zero.

You can assume that at least some of the data is valid.

Upload your solution. The usual standards apply.

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Where referenced