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A machine is newly installed in a factory to fill bags of flour. The standard weight of each bag of flour is 2000 g's. The installing company operates the machine for one day in order to test and five samples of the output from the machine are recorded every hour. The average results for each of the five samples are as follows: 1996, 2090, 2010, 2008, 1835, 1820, 2180, and 2118 grams. The specification is nominal +/- 10%. The installers complete the installation based on the above measurements.

i) Are all the samples within specification?

in) What is the mean, variance, and standard

texted answers only no photos

deviation of the samples?