Answer:
Since the first number after the decimal is lower than 5, you would need to round down. So the answer would be 17(not 18).
Step-by-step explanation:
Answer:
78.5
Step-by-step explanation:
Add the two scores, and then divide this sum by 2 to obtain the average score:

Answer:
21 24 9
6 18 30
27 12 15
Step-by-step explanation:
Step-by-step explanation:
Equation of a straight line
y = mx + c, m is the slope, and c the intercept
points (3,7) x = 3, y = 7, c = 1
7 = m × 3 + 1
7 = 3m + 1
3m = 7 - 1
3m = 6
m = 6/3
m = 2
Answer:
Mean: 12.166
Median: 14
Step-by-step explanation: