1. The following four boxplots provide summary information from four datasets. Please answer the following multiple choice questions (MCQs).
I. Which sample has the highest median?
a. Sample1
b. Sample2
c. Sample3
d. Sample4
e. None of them
II. Which sample has a median value of 2?
a. Sample1
b. Sample2
c. Sample3
d. Sample4
e. None of them
III. Which sample has outliers with low scores?
a. Sample1
b. Sample2
c. Sample3
d. Sample4
e. None of them
IV. Which sample has outliers with high scores?
a. Sample1
b. Sample2
c. Sample3
d. Sample4
e. None of them
V. Which sample has 50% of its scores which do not overlap the other sets of scores to a great extent?
a. Sample1
b. Sample2
c. Sample3
d. Sample4
2. The following histograms represent four different datasets. Study them carefully before answering the questions on the following page.
I. Which one of the charts suggests that the data form a uniform distribution?
a. Chart 1
b. Chart 2
c. Chart 3
d. Chart 4
II. Which one of the charts suggests that the data form a normal distribution?
a. Chart 1
b. Chart 2
c. Chart 3
d. Chart 4
III. Which two of the charts suggests that the data form a negative exponential distribution?
a. Chart 1 and 2
b. Chart 2 and 3
c. Chart 3 and 4
d. Chart 3 and 1
