An experiment was conducted to study the effects of various diets on pigs. A total of...

 

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An experiment was conducted to study the effects of various diets on pigs. A total of 22 pigs were selected and randomly allocated to one of the five groups of diets. After a fixed time, the gains in mass, in kilograms, of the pigs were measured. Unfortunately, by this time two had died, one which was on diet B and one which was on diet D. The gains in mass of the remaining pigs are recorded below. Gain in mass (kg) 23.1 9.8 15.5 22.6 Diets A 14.6 B 21.9 13.2 19.7 C 16.5 22.8 18.3 31.0 D 30.9 21.9 29.8 E 21.0 25.4 21.5 21.2 11.2 15.7 10.5 Use a one factor analysis of variance to test, at the 5% significance level, for a difference mean diets. An experiment was conducted to study the effects of various diets on pigs. A total of 22 pigs were selected and randomly allocated to one of the five groups of diets. After a fixed time, the gains in mass, in kilograms, of the pigs were measured. Unfortunately, by this time two had died, one which was on diet B and one which was on diet D. The gains in mass of the remaining pigs are recorded below. Gain in mass (kg) 23.1 9.8 15.5 22.6 Diets A 14.6 B 21.9 13.2 19.7 C 16.5 22.8 18.3 31.0 D 30.9 21.9 29.8 E 21.0 25.4 21.5 21.2 11.2 15.7 10.5 Use a one factor analysis of variance to test, at the 5% significance level, for a difference mean diets.