Review Test Submission Quiz chapter 4.docx - Review Test...

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?
Answer
A box-whisker diagram
 Question 2
1 out of 1 points
Based on the chart, what was the median mark (approximately)?
Answer 65%
 Question 3
1 out of 1 points
Based on the chart, what was the interquartile range of marks (approximately).
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