(PC-1) Pearson Correlation

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An excerpt from TRS-80 Microcomputer News (volume-4, issue-9), October 1982, pages 43

"    The Pocket Computer has gone with me to West Africa on demographic and other survey research. This program figures amongst several I have written for statistical analysis.
    The Pearson Product-Moment Coefficient of Correlation (r) is calculated, showing the degree of association between up to 50 pairs of numbers. 616 steps and 103 memories are utilized. "

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