Assumptions for the one sample t test are as follows: The data in the variables of interest should be continuous.This means they take any numeric value, such as age in years, weight in kilograms or ...

Sample library member: GR08N07 This example uses a BY statement with the GCHART procedure to produce a separate 3D vertical bar chart for each value of the BY variable TYPE. The three charts, which ...

Refining with colors. Mathematicians have developed various strategies to compare graphs. Since the 1970s, algorithms have been able to test graph isomorphism, but in exponential time.

One-Sample Z-Test Example . Assume an investor wishes to test whether the average daily return of a stock is greater than 3%. A random sample of 50 returns is calculated with an average of 2%.