Using analysis of variance to test differences in mean

Reference no: EM1321971

Q1) 3 different kinds of glue for assembly of wooden chairs are tested by gluing 2 standard pieces of wood together and measuring strength (in pounds) essential to separate them. Results of the tests are listed below.

Glue Type
(1)	(2)	(3)
15	18	31
16	20	33
17	22	35
	20

Q1) Use analysis of variance to test any differences in mean glue strengths.

Q2) Compute a 95% confidence interval for glue strength of the best glue.

Employ Multiple comparisons (Tukey-Kramer) to find out which glue type are better than other.

Reference no: EM1321971

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