Answer:
The new mean is 76.2
Step-by-step explanation:
Given
Given
Old mean = 71.3
Every observation is increased by 4.9.
Let the data set has N entries, then
The new mean would be
(71.3 *N + 4.9*N)/N
The new mean = 71.3 + 4.9 = 76.2
Answer:
60
Step-by-step explanation:
Just multiply 5:13 by any number
10:26
15:39
20:52
25:65
etc...
Answer:
The answer is -15x-10
Step-by-step explanation: