Find the z-score corresponding to the given value and use the z-score to determine whether the value is unusual. Consider a score to be unusual if it is at least three standard deviations above or below the mean.
Round the z-score to one decimal place, if necessary.
A body temperature of 95.8 F given that human body temperatures have a mean of 98.20 F and a standard deviation of 0.62.
A) -3.8; unusual B) -2.4; not usual C) 3.8; not unusual D) -3.8; not unusual
Question 2
Find the z-score corresponding to the given value and use the z-score to determine whether the value is unusual. Consider a score to be unusual if it is at least three standard deviations above or below the mean.
Round the z-score to one decimal place, if necessary.
A test score of 91.0 on a test having a mean of 73 and a standard deviation of 10.
A) 18; unusual B) 1.8; not unusual C) -1.8; not unusual D) 1.8; unusual
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