Answered: Cholesterol levels (in mg/dL) were…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

Cholesterol levels (in mg/dL) were collected from a random sample of 24 patients two days after they had a heart attack.

Cholesterol Levels (in mg/dL)
226
220
278
210
272
236
318
276
270
280
282
242
282
288
310
160
224
294
206
360
142
244
234
266

For the data shown above, find the following.

Do not round any of your answers.

The program here will take either answer.

a) Find the 5-number summary:

{ ,,,, }

What units would go on each of your answers above?

b) Compute the IQR.

Put your answer in the first box and the correct units in the second box.

c) What is the lower fence for this data set?

What is the upper fence for this data set?

d) Which of the following is the correct modified boxplot for the data?

140160180200220240260280300320Cholesterol Levels (in mg/dL)142225240.5286317[Graphs generated by this script: setBorder(15); initPicture(140,320,-3,6);axes(20,100,1,null,null,1,'off');text([227.5,-3],"Cholesterol Levels (in mg/dL)");line([142,2],[142,4]); rect([225,2],[286,4]); line([240.5,2],[240.5,4]);line([317,2],[317,4]); line([142,3],[225,3]); line([286,3],[317,3]);fontsize*=.8;fontfill='blue';text([142,4],'142','above');text([225,4],'225','above');text([240.5,4],'240.5','above');text([286,4],'286','above');text([317,4],'317','above');fontfill='black';fontsize*=1.25;]

140160180200220240260280300320Cholesterol Levels (in mg/dL)160225239.5280317[Graphs generated by this script: setBorder(15); initPicture(140,320,-3,6);axes(20,100,1,null,null,1,'off');text([227.5,-3],"Cholesterol Levels (in mg/dL)");line([160,2],[160,4]); rect([225,2],[280,4]); line([239.5,2],[239.5,4]);line([317,2],[317,4]); line([160,3],[225,3]); line([280,3],[317,3]);fontsize*=.8;fontfill='blue';text([160,4],'160','above');text([225,4],'225','above');text([239.5,4],'239.5','above');text([280,4],'280','above');text([317,4],'317','above');fontfill='black';fontsize*=1.25;dot([142,3],'open');]

140160180200220240260280300320Cholesterol Levels (in mg/dL)142225268295318[Graphs generated by this script: setBorder(15); initPicture(140,320,-3,6);axes(20,100,1,null,null,1,'off');text([228,-3],"Cholesterol Levels (in mg/dL)");line([142,2],[142,4]); rect([225,2],[295,4]); line([268,2],[268,4]);line([318,2],[318,4]); line([142,3],[225,3]); line([295,3],[318,3]);fontsize*=.8;fontfill='blue';text([142,4],'142','above');text([225,4],'225','above');text([268,4],'268','above');text([295,4],'295','above');text([318,4],'318','above');fontfill='black';fontsize*=1.25;]

140160180200220240260280300320340360Cholesterol Levels (in mg/dL)142225268282360[Graphs generated by this script: setBorder(15); initPicture(140,360,-3,6);axes(20,100,1,null,null,1,'off');text([249,-3],"Cholesterol Levels (in mg/dL)");line([142,2],[142,4]); rect([225,2],[282,4]); line([268,2],[268,4]);line([360,2],[360,4]); line([142,3],[225,3]); line([282,3],[360,3]);fontsize*=.8;fontfill='blue';text([142,4],'142','above');text([225,4],'225','above');text([268,4],'268','above');text([282,4],'282','above');text([360,4],'360','above');fontfill='black';fontsize*=1.25;]

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