Answer:
B and D
Step-by-step explanation:
Answer:
The mean increases and the median changes to 4.
Step-by-step explanation:
To find the mean. You need to add all of the numbers together then divide by how many numbers there are. The median is found by the middle number.
Answer:
57.4
Step-by-step explanation:
82.4 - 25 is too easy, a calculator can solve this.
4^32=22.627417 and 4^2=16