Jerry has 61 percent on khan. she needs to get 100 percent in one week. how much percent should she get each night to reach her goal of 100%

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.