Answer:
B. Variance = r2 = 0.7225
Step-by-step explanation:
Given the correlation coefficient, variance is obtained by squaring the correlation coefficient to obtain what is also know as coefficient of determination. Gives information on the predictive power of the model
Answer:
Yes, that is correct.
Step-by-step explanation:
a would always have to be greater than b since you're just multiplying each variable by itself.
Answer:not sure but i think 10 *25)/20 * 16 - 10
Step-by-step explanation: i think u use ax+by =f(x^2)
Answer:
Step-by-step explanation:
Given
Required
Find CD
This question is represented with the attached triangle
To solve CD, we make use of tan formula.
Substitute 12 for DE
Make CD the subject
--- approximated