100%(1)1 out of 1 people found this document helpful
This preview shows page 1 - 3 out of 6 pages.
Review Test Submission: Chapter 04 — 23 QuestionsUserAqil M AhmadCourse2019 Spring Term (1) Applied Data Analysis BUSN. 7278X ER8 (Brooklyn College)TestChapter 04 — 23 QuestionsStarted3/5/19 2:20 AMSubmitted3/5/19 3:17 AMDue Date3/6/19 11:59 PMStatusCompletedAttempt Score21 out of 23 points Time Elapsed56 minutes out of 1 hour and 30 minutesQuestion 10 out of 1 pointsWhat is this graph known as? AnswerA box-whisker diagramQuestion 21 out of 1 pointsBased on the chart, what was the median mark (approximately)? Answer65%Question 31 out of 1 pointsBased on the chart, what was the interquartile range of marks (approximately). Answer14%Question 4
1 out of 1 pointsWhat does a histogram show? (Hint: Histograms are also known as frequency distributions.)AnswerA 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 50 out of 1 pointsImagine 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 thex-axis and 'intervention success' on they-axisQuestion 61 out of 1 pointsImagine we took a group of smokers, recorded the number of cigarettes they