Multiple Choice

1.8 The following statistics were collected on two groups of cattle: Statistics Group A Group B sample size 45 30 sample mean 1,000 lbs 800 lbs sample standard deviation 80 lbs 70 lbs sample coefficient of variation 8% 9% Which of the following statements is correct? Group A is less variable than Group B because Group A has a larger standard deviation b) Group A is relatively less variable than Group B because Group A has a smaller coefficient of variation C) Group A is less variable than Group B because the standard deviation per animal is smaller d Group A is more variable than Group B because it has a larger sample size