12(8-12)-8(32-38)-20(8-5)

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?

Write an algebraic expression to match each statement a. four less than 8 times a number b. twice the difference of a number and six c. nine from a number squared

Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective