Question

5.7.1. A study was conducted to compare two different procedures for assembling components. Both procedures were implemented and run for a month to allow employees to learn each procedure. Then each was observed for 10 days with the following results. Values are number of components assembled per day. Procedure I 115 10 113 64 104 97 114 96 87 93 Procedure II 86 99 100 78 97 111 102 94 88 99 Construct a 98% confidence interval for the difference in the mean number of components assembled by the two methods. Assume that the data for each procedure are from approximately normal populations with a common variance. Interpret the result

Answer 1

Here we have data;

Producer1	Producer2
115	86
101	99
113	100
64	78
104	97
97	111
114	102
96	94
87	88
93	99