Examlex
How many peaks are in the proton spin decoupled 13C NMR spectrum of the compound shown?
Z-scores
Z-scores are standardized scores indicating how many standard deviations an element is from the mean.
Standard Normal Distribution
A normal distribution with a mean of zero and a standard deviation of one, used in z-tests of statistical significance.
Less Than
A mathematical symbol (<) indicating that the value on the left is smaller than the value on the right.
Shaded Areas
In statistics graphs, represents regions under a curve, often used to illustrate probabilities or distributions.
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