Please help IM CONFUSED

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

What kind of bond pays interest which is exempt from tax?

Abby is collecting rainfall data. she finds that one value of the data set is a high-value outlier. which statement must be true? abby will use a different formula for calculating the standard deviation. the outlier will increase the standard deviation of the data set. the spread of the graph of the data will not change. abby will not use the mean when calculating the standard deviation.