Question

30 Between what two standard deviations of a normal distribution contain 68% of the data?

a) one below and one above
b) two below and two above
d) zero and two above
C) two below and zero

Answer 1

d

man i think its d or b maby

Answer 2

Answer: the answer is A (one below and one above)

Explanation:

68% of data falls within ONE standard

95% falls within two standard deviation

And 99.7% falls within 3