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Speed Run
Improve speed and accuracy with a timed multiple-choice quiz.
0 / 500
IB: 4
3 problems
IB: 5
6 problems
IB: 6
12 problems
IB: 7
Regressions of y on x, regressions of x on y, the correlation coefficient r, the rank correlation coefficient rs, extrapolation and interpolation of data.
