An executives telephone log showed the lengths of 65 calls initiated during the last week...

An executives telephone log showed the lengths of 65 calls initiated during the last week of July, (a) Find the mean, midrange, geometric mean, and 10 percent trimmed mean (i.e., dropping the first six and last six observations), (b) Do the measures of central tendency agree? Explain, (c) Are the data symmetric or skewed? If skewed, which direction? (d) Note strengths or weaknesses of each statistic of central tendency for the data.