Find the Variance and the Standard Deviation (Correct to Two $20,21,22,23,24$

Multiple Choice

Find the variance and the standard deviation (correct to two decimal places) of the following data set. $20,21,22,23,24$

A) variance: $2$ standard deviation: $1.41$
B) variance: $2$ standard deviation: $22$
C) variance: $1.41$ standard deviation: $2$
D) variance: $4$ standard deviation: $1.41$
E) variance: $22$ standard deviation: $1.41$