An experiment was performed to determine whether the annealing temperature of ductile iron affects its tensile strength. Five specimens were annealed at each of four temperatures. The tensile strength (in ksi) was measured for each. The results are presented in the following table. Temperature (*C) Sample Values 750 19.72 20.88 19.63 18.68 17.89 800 16.01 20.04 18.10 20.28 20.53 850 16.66 17.38 14.49 18.21 15.58 900 16.93 14.49 16.15 15.53 13.25 a Construct an ANOVA table. You may give a range for the P-value. b. Can you conclude that there are differences among the mean strengths?
An experiment was performed to determine whether the annealing temperature of ductile iron affects its tensile strength. Five specimens were annealed at each of four temperatures. The tensile strength (in ksi) was measured for each. The results are presented in the following table. Temperature (*C) Sample Values 750 19.72 20.88 19.63 18.68 17.89 800 16.01 20.04 18.10 20.28 20.53 850 16.66 17.38 14.49 18.21 15.58 900 16.93 14.49 16.15 15.53 13.25 a Construct an ANOVA table. You may give a range for the P-value. b. Can you conclude that there are differences among the mean strengths?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.1: Measures Of Center
Problem 9PPS
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