Eighteen measurements of the disbursement rate (in cm3/sec) of a chemical disbursement system are recorded and sorted:
6.50 6.77 6.91 7.38 7.64 7.74 7.90 7.91 8.21
8.26 8.30 8.31 8.42 8.53 8.55 9.04 9.33 9.36
a) Compute the sample mean and sample variance
b) Find the sample upper and lower quartiles.
c) Find the sample median.
d) Construct a box plot of the data.
e) Find the 5th and 95th percentiles of the inside diameter.
Summary: This question belongs to mathematics and discusses about sample mean and sample variance for given data.
Total Word count: 164
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