Higher Applications Of Mathematics Practice Questions - Higher Applications Of Mathematics (Qualifications Scotland SCQF Level 6) Exam

In a standard normal distribution N(0, 1), what does a z-score of +1.5 indicate?

The observation is 1.5 units above the median The observation is 1.5 standard deviations above the population mean The observation is 1.5 times greater than the sample variance The observation lies in the bottom 15% of the distribution

Correct Answer:

The observation is 1.5 standard deviations above the population mean

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