Statics Probability Question:

Convert the age of a 32 year old to a z-score if the mean of the set of ages is 40 years and the standard deviation of age is 6 years.

Statics Probability Interview Question
Statics Probability Interview Question

Answer:

1. -4.25
2. -1.33
3. 1.33
4. It is not possible to convert these figures into z-scores.

Answer: -1.33


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In order to use standard normal distribution you need to transform the scores in the sample to the standard normal scores. This is achieved by which of the following? What is the result called?The mean of a set of IQs is 100 and the standard deviation is 15. The z score for one student is +2.2 Using the necessary z-score table in appendix 1, what does this mean?