# statistics

What z-score values form the boundaries for the middle 60% of a normal
distribution?
a. z = +0.25 and z = –0.25
b. z = +0.39 and z = –0.39
c. z = +0.52 and z = –0.52
d. z = +0.84 and z = –0.84

1. 👍 0
2. 👎 0
3. 👁 1,036
1. How about d?

1. 👍 0
2. 👎 0
2. what was the answer???

1. 👍 0
2. 👎 0

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