taw mass/g |
---|
20.33 |
19.85 |
20.12 |
20.52 |
20.35 |
20.12 |
20.78 |
19.30 |
19.24 |
18.46 |
In the world of marbles the larger shooter marbles are called taws and the smaller marbles that one tries to hit out of the circle are called ducks. The table has the masses of ten taws.
Statistic or Parameter | Symbol | Equations | OpenOffice.org Calc |
---|---|---|---|
Formula to calculate a z value from an x value | z | =STANDARDIZE(x;μ;σ) | |
Find a probability p (the area to the left of x) from an x value | =NORMDIST(x;μ;σ;1) | ||
Find an x value from a probability p (the area to the left of p) | =NORMINV(p;μ;σ) | ||
Standard error of the sample mean | SE | =stdev(data)/sqrt(sample size n) |