Statistics Midterm Review 2

What symbol is used for the sample mean?

• x

What equation is used for z-score?

What equation is used for IQR (Interquartile Range)

What symbol is used for the population standard devation?

• s

On a graphing calculator, how do you enter values into a list?

• Hit Stat --> Edit

• Hit the on button

• Add them all together

• Hit Stat --> Calc

On a graphing calculator, how do you calculate mean, median, standard deviation, and more?

• Hit Stat --> Edit

• Hit the on button

• Add them all together

• Hit Stat --> Calc --> 1 Var Stat

Which of the following is NOT a part of the 5 number summary?

• Median

• Q1

• Q3

• Range

How do you calculate range?

• Smallest - Biggest

• Biggest + Smallest

• Biggest - Smallest

• Add all values together

A group of individuals that represent the overall population is known as ______

• A group

• A sample

• A subgroup

• A fence

If you want to know how many high school students enjoy horror movies, which of the following is a good sample?

• Asking 50 people shopping at Kroger

• Asking every 5th student in the Menchville cafeteria

• Asking everyone who attends a HS varsity basketball game

• Asking 100 random people at the mall, standing outside of Forever 21.