Answer:
Question 5:
a) 65 degrees
b) 11
Question 6:
a) 15.6
b) 6.4
Question 7:
a) 10
b) 20
Question 8:
a) EF = 14.4
Question 9:
a) x = 6
b) y = 22.5
Step-by-step explanation:
It equals to 90%, or 9/10
Answer:
Standard deviation is a number used to tell how measurements for a group are spread out from the average (mean), or expected value. A low standard deviation means that most of the numbers are close to the average. A high standard deviation means that the numbers are more spread out.
Step-by-step explanation:
