Answer:
Standard Deviation = 9.1
(Please vote me Brainliest if this helped!)
Step-by-step explanation:
Standard deviation = square root of variance
=
= 9.1
The answer would be x less than or equal to 3
(same equality symbol you used)
Answer: The first one.
Step-by-step explanation:
Since 1.5 + 2.5 = 4, and the only graph that has an arrow pointing to 4 is the first one, then the first number line is the correct answer.
Hope this helps :)