Answer:
19 is the third number.
Step-by-step explanation: To find the mean you need to add all of the numbers up then divide it by how many numbers there are. Since the mean is 10 and there are 3 numbers, I know that the numbers have to sum up to 30, and since 7+4=11 then I know to make the sum 30 I need 19 more. So the third number in your data set is 19.
Answer:
median is 75. range is 50 to 95.
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
Put 2 fingers up on one hand. Now put up 3 fingers on the other. When you count all the fingers up, you get 5 :)
Answer:
48.96
Step-by-step explanation:
Perform the two multiplications from left to right:
2.23x3.42x6.42 becomes:
7.6266 · 6.42, or
48.96