Answer:
Step-by-step explanation:
To find the population variance, we first need the mean:
so the mean is 7.2. To find the population variance (which is almost exactly the same as the sample variance except for a small difference in the denominators of the formula) we have to take each number minus the mean, and then square the difference. Add together all these squared numbers and then divide by the number of numbers. Like this:
Add together those numbers and divide them by 5:

Answer:
39/5
Step-by-step explanation:
Step-by-step explanation:
In my opinion the reason 4 is incorrect
Answer:
m 36.606
Step-by-step explanation:
90*sin24
90*0.406
is equal to 36.606
approximately 37
Answer:
The answer is B. 1/3
Step-by-step explanation:
Hope this helps! :)
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