Answer:
Step-by-step explanation:
- calculate the mean of your data set(x bar)
- Subtract each data value from the mean and calculate the square
- add all of these squares
- divide by n-1 (For a sample) to get the variance
If you’re calculating the variance of a population(not sample) divide by N.
I believe the answer is 4
hopee this helped u
1.) false
2.) true
3.) false
Similar means equal angles and proportional sides
Triangles can be similar by SSS, AA or SAS