3 Answered Questions for the topic Z-Score

07/22/19

what is the z score?

a health study reported that in one country systolic blood pressure readings have a mean of 121and a standard deviation of 17. a reading above 140 is considered to be high blood pressure. what is... more

07/15/19

Statistics question

For a population with a standard deviation of σ = 4, what is the z-score corresponding to a score that is 6 points below the mean?

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