Answer:
C
Step-by-step explanation:
Student 2 made an error with the distributive property.
Answer:
He ate about 4.6 of cheese
Step-by-step explanation:
Answer: A. 6.5
Step-by-step explanation:
Here, the given set = { 15, 19 3, 12, 17, 2, 2, 8}
Mean, 
Number of elements, n = 8

Thus, the standard deviation, 
⇒ Option A is correct.
Answer:
You didn't send anything
Step-by-step explanation: