Assignment Instructions/ Description
Image transcription text1)
Quart cartons of milk should contain 32 ounces. A random sample of 22 cartons is taken by the company
to determine if its machine is, on average, filling the cartons with an incorrect amount. The sample
yielded the below amounts in ounces.
31.5
32.2
31.9
31.8
31.7
32.1
31.5
31.6
32.4
31.6
31.8
32.2
32.1
31.8
31.6
32.0
31.6
31.7
32.0
31.5
31.9
31.8 E x2 = 22,293.21
a) Comment on the requirements by filling in the blanks below..
Because
Sn=
and the population distribution is unknown, we must
that
the distribution of the
is not
We need this so that
will be normal and the requirements will be met.
b) Perform the hypothesis test at the 5% significance level to see if the machine is, on average, filling the
cartons with an incorrect amount.... Show more