There are many ways to collect data about solar cells. The following information should help you judge whether solar energy power can be pollution-free. Which one does NOT? ​

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.