Aman 2m high observes the angle of elevation to the top of a building to be 61 degrees, and the angle of depression to the bottom of the building to be 18 degrees. how tall is the building?

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.