1.Find the sample size:

2.Find the three measures of center and the three measures of spread of this data set.

a.Mean:

b.Median:

c.Mode(s):

d.Standard deviation:

e.Inter quartile range:

f.Range:

Are these data skewed?If yes, which direction? Explain using one or two complete sentences.

4.Are these data approximately normally distributed? Explain using one or two complete sentences.

Histogram of Ages 18 16 14 12 10 Frequency 8 4 2 18 20 22 24 26 28 30 Ages