3. The following are grades of 20 students in their Research project:
85, 88, 87, 86, 89, 90, 92, 88, 94, 90, 85, 89, 85, 84, 82, 87, 83, 84, 91,
and 92. Find:
a. Median
b. Q1
C. Q3
d. Percentile rank ng 89
e. Draw a boxplot of the data set.
85, 88, 87, 86, 89, 90, 92, 88, 94, 90, 85, 89, 85, 84, 82, 87, 83, 84, 91,
and 92. Find:
a. Median
b. Q1
C. Q3
d. Percentile rank ng 89
e. Draw a boxplot of the data set.
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Answer:
A. 87.55
Step-by-step explanation:
what Q1, Q2?
d. PR=[(M+(0.5*R))/Y]*100)
PR=[(10+(0.5*2))/20]*100)
PR=[(10+1)/20)*100]
PR=[(11/20)*100]
PR=0.55*100
PR=55%