Outliers With Standard Deviation

What is the Mean WITH THE OUTLIER? (List one decimal!)

What is the standard deviation (with outlier), use desmos, list one decimal place

If we increased the vertical jump by 3” for all the students of these data points, how would it affect the standard deviation of the data?

• It doesn’t affect it.

• It increases by 3”.

• It decreases by 3”.

• It multiplies by 3”.

What is the outlier?

If a number is added to a set that is far away from the mean, how does this affect standard deviation?

• increase

• decrease

• stay the same

• both increase and decrease

If an outlier is added to a data set, how does this affect standard deviation?

• increase

• decrease

• stay the same

• both increase and decrease

What is the Mean WITHOUT the OUTLIER?

If outliers are removed, what changes more significantly the standard deviation or interquartile range (IQR)?

• Standard Deviation

• Interquartile Range (IQR)

Which of the following is a measure of variability?

• mean

• median

• mode

• standard deviation

The z-score represents.....

• the amount of standard deviations a data value is above or below the mean.

• the percentile the data value is above or below the mean.

• the amount of standard deviations a data value is above or below the median.

• the percent the data value is above or below the mean.