alternate hypothesis	approximate	approximately	approximately equal	approximation	arithmetic mean	bell-shaped curve
braces (for formulas)	brackets (for formulas)	calculate	centile	centile rank	chart	conversion
cross-section	decimal place	degrees of freedom	determine (a value)	diagram	distribute	distributed
documentation	estimate	fixed	formula	Gaussian curve	grand mean	greater than (to the right)
hypothesis->	alternative ~	hypothesize	interquartile range	kurtosis	mean	methodolgy
mode	notation	null hypothesis	observation	over	paired (or pair up) variables	parentheses (for formulas)
percentile rank	poll	population	precise	precision	probability	probability distribution
prospective	qualitative	quantitative	questionnaire	random->	~ number	~ sample
sample, select, or choose at ~	regression (analysis)	replicate	research	retrospective	round ("estimate")	round-down
round-off	round-up	sample	score	semi-interquartile range	sensitive	skewed
skewed left	skewed right	skewness	standard deviation	standard error	statistics	study (research)->
cross-sectional ~	longitudinal ~	prospective ~	sum	sum of squares	survey	table
term (equation)	theory	transform	t-score	variable	variance	z-score

For the signs for these terms, see Signs for technical/specialized vocabulary.

For additional relevant terms, see Vocabulary list for mathematics, (especially "Calculus").