Question: Refer to the data on malt extract in Table D. 8 of the Data Bank. (a) Obtain sample mean and standard deviation. (b) Obtain quartiles.

Refer to the data on malt extract in Table D. 8 of the Data Bank.
(a) Obtain sample mean and standard deviation.
(b) Obtain quartiles.
(c) Check conformity with the empirical rule.

Data from in Table D. 8 Data Bank

TABLE D.8 Malt Extract 75.3 77.6 77.9 75.7 76.4 80.0 79.2 77.0 77.9 76.3 79.1 76.2 76.6 77.4 76.9 75.9 78.3 77.4 78.5 77.9 77.9 76.9 78.4 78.4 77.5 77.9 77.8 76.7 77.6 77.4 80.4 76.4 77.1 78.1 75.9 76.6 78.0 77.4 77.0 77.4

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