Awoman is told that her weight has a standard score ( z z ‑score) of − 1.5 . −1.5. this means that:
a. her weight is 1.5 standard deviations below average.
2. her weight is 1.5 pounds above average.
3. her weight is 1.5 pounds below average.
4. her weight is 1.5 standard deviations above average.

a. her weight is 1.5 standard deviations below average

Explanation:

Data provided in the question:

z score of the weight of the woman = - 1.5

Now,

The relation with the actual value and the z score is given as

x = Average + ( z × Standard deviation )

now,

substituting the value of z = - 1.5

We have

x = Average - 1.5 ×  Standard deviation

Hence,

z score = -1.5 means a. her weight is 1.5 standard deviations below average.

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