Review Test Submission: Chapter 04 — 23
Questions
User
Aqil M Ahmad
Course
2019 Spring Term (1) Applied Data Analysis BUSN. 7278X ER8[28962]
(Brooklyn College)
Test
Chapter 04 — 23 Questions
Started
3/5/19 2:20 AM
Submitted
3/5/19 3:17 AM
Due Date
3/6/19 11:59 PM
Status
Completed
Attempt
Score
21 out of 23 points
Time
Elapsed
56 minutes out of 1 hour and 30 minutes
Question 1
0 out of 1 points
What is this graph known as?
SHAPE
\* MERGEFORMAT
Answer
A box-whisker diagram
Question 2
1 out of 1 points
Based on the chart, what was the median mark (approximately)?
SHAPE
\* MERGEFORMAT
Answer
65%
Question 3
1 out of 1 points

Based on the chart, what was the interquartile range of marks (approximately).
SHAPE
\* MERGEFORMAT
Answer
14%
Question 4
1 out of 1 points
What does a histogram show? (Hint: Histograms are also known as frequency
distributions.)
Answer
A histogram is a graph in which values of observations are plotted on the horizontal axis,
and the frequency with which each value occurs in the data set is plotted on the vertical axis.
Question 5
0 out of 1 points
Imagine we took a group of smokers, recorded how many cigarettes they smoked
each day and then split them randomly into one of two 6-week interventions;
'hypnosis' or 'nicotine patch'. After the 6 weeks, we again recorded how many
cigarettes they smoked each day and subtracted this number from the number of
cigarettes they each smoked pre-intervention, to produce a intervention success
score for each participant. Out of the following options, which would be the best
method of displaying the results?
Amswer: A simple boxplot with the variable 'intervention method' on the
x
-axis and 'intervention
success' on the
y
-axis
Question 6
1 out of 1 points

Imagine we took a group of smokers, recorded the number of cigarettes they


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