To find the mean....add all the values and divide by the amount of values.....since the mean is given do the opposite...multiply the mean by the amount of values and then minus each value to find x....
113113.101101 * 5 then minus 122122+107107+112112+107107 from it
Answer 137 that’s the answer
Yep you have done it correctly
210 is the height of the new player.
