Maple school gets out at 2:45pm. During the day, there are 8 class periods, each 30 minutes long. Lunch is 30 minutes and recess is 15 minutes. What time does Maple school start?

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.