Question

1. Which of the following is true about multiple regression

1. has more than one independent variable
2. has more than one dependent variable
3. more than one y intercept
4. more than one correlation cofficients
5. None of the above

2. Using p-value method for testing hypotheses you

1. reject H₀ if the p-value is less than or equal to the significance level
2. fail to reject H₀ if the p-value is less than or equal to the significance level
3. support H₁ if the p-value is greater than the significance level
4. fail to support H₁ if the p-value is less than or equal to the significance level
5. None of the above

3. If the correlation between body weight and annual income, amount of exercise were high and negative, we could conclude that

1. high incomes cause people to eat more food, on average
2. low incomes cause people to eat less food, on average
3. low income people tend to spend a greater proportion of their income on food than high income people, on average
4. low income people tend to be heavier than high income people, on average
5. high income people tend to be heavier than low income people, on average

Answer 1

Which of the following is true about multiple regression

a) has more than one independent variable

Using p-value method for testing hypotheses you

a) reject H₀ if the p-value is less than or equal to the significance level

c)If the correlation between body weight and annual income, amount of exercise were high and negative, we could conclude that

c) low income people tend to spend a greater proportion of their income on food than high income people, on average