Question

The mean age of 5 people in the room is 70 years. A 29-year-old person walks in. Specify how would this change the mean age. Explain your answer using statistical reasoning.

Answer 1

Answer:mean of people aged =70

People =5

Total age=5×70=350

If 29 is subtract from 350 =350-29=321

Total age =321

Now total people =4

New mean=321÷4=80.25 answer

Step-by-step explanation: