Math Problem Statement
Cholesterol levels (in mg/dL) were collected from a random sample of 12 patients two days after they had a heart attack.
Cholesterol Levels (in mg/dL)
288
234
500
294
210
236
186
282
276
280
280
236
For the data shown above, find the following.
Do not round any of your answers.
a) Find the quartiles:
Q1 = Correct
Q2 = Correct
Q3 = Incorrect
b) Compute the IQR.
Incorrect
c) What is the lower fence for this data set?
Incorrect
d) What is the upper fence for this data set?
Incorrect
Solution
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Math Problem Analysis
Mathematical Concepts
Statistics
Quartiles
Interquartile Range (IQR)
Outliers
Formulas
Q1 = Median of the lower half of the data
Q2 = Median of the data
Q3 = Median of the upper half of the data
IQR = Q3 - Q1
Lower Fence = Q1 - 1.5 * IQR
Upper Fence = Q3 + 1.5 * IQR
Theorems
Quartile Theorem
IQR Outlier Detection Rule
Suitable Grade Level
Grades 9-12
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