Answer to Question #320272 in Statistics and Probability for Busi

Question

A quality-control exercise was carried out by ChocCheer for estimating the percentage of defective chocolate

bars in a large shipment of 1 000 boxes with 100 bars in each box. Twenty boxes were chosen at random,

and every bar in them checked. The number of defective bars in each of the boxes are:

8, 10, 4, 3, 11, 6, 9, 10, 2, 7, 6, 12, 9, 11, 6, 3, 14, 9, 5, 4

Choose the CORRECT statement.

[1] The variable is the 1 000 boxes of chocolate bars.

[2] The sample unit 149.

[3] The sample is the 20 boxes of chocolate bars that were selected.

[4] The population is the 100 chocolate bars per box

Answer 1

[3] The sample is the 20 boxes of chocolate bars that were selected