The normal curve reaches the horizontal axis in 4 standard

? Question 1 10 out of 10 points

The normal curve reaches the horizontal axis in 4 standard deviations above and below the mean.

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? Question 2 10 out of 10 points

The area beyond a z score of +2.58 is 0.005.

 

? Question 3 10 out of 10 points

All standard scores are z scores.

 

? Question 4 10 out of 10 points

If the original raw score distribution has a mean that is not equal to zero, the mean of the z transformed scores will not equal zero either.

 

? Question 5 10 out of 10 points

If the original raw score distribution is not normally distributed, the mean of the z transformation scores of the raw data will not equal 0.

? Question 6 10 out of 10 points

It is impossible to have a z score of 30.2.

 

? Question 7 10 out of 10 points

One cannot reasonably do z transformations on ratio data.

? Question 8 10 out of 10 points

The z distribution takes on the same shape as the raw scores.

 

? Question 9 10 out of 10 points

A z distribution always is normally shaped.

 

? Question 10

10 out of 10 points

If the raw score distribution is very positively skewed, the standard deviation of the z transformed scores will not equal 1.

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