Question

The mean of a set of data is -3.82 and its standard deviation is 2.31. Find the z score for a value of 3.99.

Answer 1

Answer:

The z- score for a value of 3.99 will be 3.38.

Step-by-step explanation:

It is given that the mean of a set of data is -3.82 and its standard deviation is 2.31.

Thus, the value of the z-score=$\frac{value-mean}{standarddeviation}$

=$\frac{3.99-(-3.82)}{2.31}$

=$\frac{3.99+3.82}{2.31}$

=$\frac{7.81}{2.31}$

=$3.38$

Thus, the z- score for a value of 3.99 will be 3.38.