Name:……………………………..
Class:……………………………..
Test 1
1. For the dataset: {3, 4, 5, 7, 7, 8, 11, 11, 12, 15, 17, 18}
a. (2 points) Mean =…….
Mode = …….
Meadian = ……
Range = …….
b. (1 point) Given the data set is a population, find variance = …..; standard deviation = ……
c. (1 point) Find the percentile rank of 12…..
d. (2 points) Draw the box plot:
Note: you can use a personal calculator or any statistical software. Please consider the
rounding rule.
2. For the dataset: {4, 4, 6, 7, 8, 10, 12, a}
a. (2 points) Q1 = …..
Q2 = …..
Q3 = …..
IQR = ……
b. (2 points) The value “a” would be considered as an outliers if a > ….
Explain your answer: …………………………………………………………………………...
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