A Population Has µ = 50 and σ = 5

Multiple Choice

A population has µ = 50 and σ = 5.If 10 points are added to every score in the population,then what are the new values for the mean and standard deviation?​

A) ​µ = 50 and σ = 5
B) ​µ = 50 and σ = 15
C) ​µ = 60 and σ = 5
D) ​µ = 60 and σ = 15