With pi, repeating decimals, etc. Hope this helped!
Answer:
/yes
Step-by-step explanation:
7^2 = 6^2 + 9^2 - 2(6)(9)cos(m)
-68 = 2(6)(9)cos(m)
cos(m) = -0.6296
m = arcos ( -0.6296)
m = 129.0 degrees
Answer:
-5
Step-by-step explanation:
3x + 6 = -9
3x = -15
x = -5
Answer:
Spearman's correlation
Step-by-step explanation:
A researcher records each student’s rank in his/her high school graduating class and the student’s rank in the college graduating class.
The correlation that should be used to measure the relationship between these two variables is - Spearman's correlation
This correlation gives a statistical measure of similar relationship between paired data.
This is used to evaluate relationships involving ordinal variables.