The Normal Curve Flashcards
1
Q
what are z-scores
A
used to find the area under the curve
2
Q
what is percentage under the curve
A
a standard normal distribution
3
Q
what does a z-table tell us
A
how much area under the graph is captured
4
Q
what is sampling distribution
A
means from multiple samples
5
Q
what is true population mean
A
the average of all values in an entire population
6
Q
what is the central limit theorem
A
having many large samples from any group, and their averages from a bell curve and will be close to the groups real average