476546 Elementary Statistics Summer 2018 Quiz: Quiz 3: Sections 3.3, 3.4, 3.5 Th

Question

476546 Elementary Statistics Summer 2018 Quiz: Quiz 3: Sections 3.3, 3.4, 3.5 This Question: 1 pt 8 of 10 (8 complete) ? This Quiz: 10 p (a) Compute the z-score corresponding to the individual who obtained 38.2 miles per gallon Interpret this result. (b) Determine the quartiles. (c) Compute and interpret the interquartile range, IQR (d) Determine the lower and upper fences. Are there any outliers? EEB Click the icon to view the data The z-score corresponding to the individual is and indicates that the data value is standard deviations) the (Type integers or decimals rounded to two decimal places as needed) Click to select your answer(s) 8 9

Explanation / Answer

mean= 38.9127

s= 3.4772

X= 38.2

Z=(X-mean)/s

=(38.2-38.913)/3.477

=-0.2049

The z-socre corresponding to the individual is -0.20 and indicates that the data value is 3.48 standard deviation from the mean.

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