Which formula is used to calculate the standard deviation of sample data? X, - x
+
+
Sa
n-1
2.6***)**(--- (wa)
(*1–4) * +(X2–4) ? + +(*w+x)?
N
O
+
SE
n-1

uhhh

Step-by-step explanation:

4+n=5

step-by-step explanation:

this is because the four is four hours and the n represents the 1 extra hour over the weekend.

b= i'm srry i don't know that one.

4+n=5 n=1 because if vernon plays 5 hours a week then 4+1=5 hours.

hope this : )

the answer is d

step-by-step explanation: