Why is variation important in accuracy?

How do you calculate range?

How do you calculate standard deviation?

When do we use standard deviation?

Describe how standard deviation is used?

How do you calculate the standard deviation from the sample mean?

When calculating a students grade from a bell curve, how do you calculate each section?

What is the value of u in a bell curve? what is sigma?

you want to find the grades of students on the bell curve? how do you do this?

when do we use Chebychev's rule?

What is the value of K in Chebyshev's rule? how do you calculate the percent of people in the certain range of a graph?

What are percentiles? quartiles?

How do you find which quartile a grade falls into?