Consider a sample of n = 5 (x, y) pairs, as shown below. x y 1 4 2 10 3 14 4 16
ID: 3369215 • Letter: C
Question
Consider a sample of n = 5 (x, y) pairs, as shown below.
x
y
1
4
2
10
3
14
4
16
5
18
Write out the correct linear model regression equation.
The correlation would be: negative positive
What degrees of freedom were used to obtain the p-value?
What is the p-value for the population slope test?
x
y
1
4
2
10
3
14
4
16
5
18
Activity 6: Consider a sample of n - 5 (x, y) pairs, as shown below. 4 10 14 16 18 2 4 Coefficients Term Constant 1400 1.270 1.10 0.3509 Coef SE Coef T-Value P-Value 3.8000 0.3830 992 0.0022 1. Write out the correct linear model regression equation 2. The correlation would be: negative positive 3. What degrees of freedom were used to obtain the p-value? 4. What is the p-value for the population slope test?Explanation / Answer
The correct regression equation is
y = 1.4000 + 3.8000 x
The correlation would be : positive
The degrees of freedom to obtain p-value : 4
p-value for population slope test : 0.0022