Discrete/Statistics Ch 3 review

Can you compare girls heights and boys IQs with z-scores

68-95-99.7 rule is also called

Which of the following z-scores is farthest from average?

What is the calculator command to find the z-score area that has 48% to the right

If the mean IQ is 100, and the standard deviation is 5, what is the z-score if your IQ is 110?

Percentiles refer to

T/F z scores can be used with skewed data

If you are talking about grades, would you rather have a positive or negative z-score?

What percent of the data fall less than z=-1

T/F z scores can be negative

What percent of the data should fall between z=0 and z=1

Another name for z scores is

invnorm (area to left) finds

What is the calculator command to find the area between z=-1.1 and z=2.3

What is the calculator command to find the z-score for the 27th percentile

If you are at the 37th percentile, what percent is above you?

What are you finding if you put invnorm(.6) into your calculator?

If data is skewed right, then the mean is

the formula for a z score is

A larger standard deviation means

If the data is normal, then the mean is

What percent of the data should fall between z=0 and z=2

What is the calculator command to find the z value with 35% of data to left?