An EDM instrument and reflector are set at the ends of a baseline that is 200.014 m long. Its length is measured 21 times, with the following results: 200.014, 200.013, 200.007, 200.016, 200.011,...




An EDM instrument and reflector are set at the ends of a baseline that


is 200.014 m long. Its length is measured 21 times, with the following


results: 200.014, 200.013, 200.007, 200.016, 200.011, 200.015, 200.012,


200.018, 200.014, 200.012, 200.011, 200.009, 200.019, 200.016, 200.009,


200.016, 200.015, 200.018, 200.016, 200.007, and 200.014.



(a)
What are the mean, median, and standard deviation of the data?



(b)
Construct a histogram of the data with seven intervals and


describe its properties. On the histogram lay off the sample


standard deviation from both sides of the mean.



(c)
How many observations are between
y
±
S, and what percentage


of observations does this represent?









Jan 07, 2022
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