Can you explain 2.35 rd EditionreorSorSree-1-Sn›)ekeof i80HPage 68proportionately.)2.35 Does Stress Affect Academic Performance?Students in the ACHA-NCHA survey were asked,"Within the last 12 months, has stress negativelyaffected your academics?" Figure 2.4(a) shows asegmented bar chart for response frequencies, whileFigure 2.4(b) shows a segmented bar chart forresponse relative frequencies as percents. Possibleresponses were "I haven't had any stress," shown inred, "I've had stress but it hasn't hurt my grades,"shown in green, or "I've had stress and it has hurtmy grades," shown in blue.6000-5000-4000-(a) Did more males or more females answer thesurvey or did approximately equal numbers ofmales and females participate? Is graph (a) or(b) more helpful to answer this question?(b) Did a greater number of males or females saythey had no stress or is it approximately equalbetween males and females? Is graph (a) or (b)more helpful to answer this question?Mon SepSho Kindle for Mac - Statistics: Unlocking the Power of Data, 3rd Edition20,00015,000-10,00050000FemaleMale(a) Frequency countsFigure 2.4 Has stress hurt your grades?Response.Stress affectedgradesStress, but noeffectNo stress(c) Did a greater percent of males or females saythey had no stress or is it approximately equalbetween males and females? Is graph (a) or (b)more helpful to answer this question?(d) Did a greater percent of males or females saythat stress affected their grades or is it approx-imately equal between males and females? Isgraph (a) or (b) more helpful to answer thisquestion?FINANCIAL INCENTIVES TO QUIT SMOK-100806040.20-0Page 69of i< >2.1 Categorical VariablesMaleFemale(b) Relative frequency countsResponseStress affectedgradesStress, but noeffectNo stress8069agreed to participate. However, only 146 of the 1053smokers assigned to the Deposit group agreed toparticipate (since they had to risk some of their ownmoney). Set up a two-way table and compare theparticipation rates between subjects assigned to thetwo treatment groups.2.38 Accounting for Participation Rates Exer-cises 2.36 and 2.37 show that smokers who agreedto be in the Deposit group (having their own moneyat risk) were much more likely to quit smokingthan those enrolled in the Reward group, but many

We have to answer this question by comparing bar diagrams

2.35 Does Stress Affect Academic Performance? Students in the ACHA-NCHA survey were asked, "Within the last 12 months, has stress negatively affected your academics?" Figure 2.4(a) shows a segmented bar chart for response frequencies, while Figure 2.4(b) shows a segmented bar chart for response relative frequencies as percents. Possible responses were "I haven't had any stress," shown in red, "I've had stress but it hasn't hurt my grades," shown in green, or "I've had stress and it has hurt my grades," shown in blue. (a) Did more males or more females answer the survey or did approximately equal numbers of males and females participate? Is graph (a) or (b) more helpful to answer this question? (b) Did a greater number of males or females say they had no stress or is it approximately equal between males and females? Is graph (a) or (b) more helpful to answer this question?

2.35 Does Stress Affect Academic Performance? Students in the ACHA-NCHA survey were asked, "Within the last 12 months, has stress negatively affected your academics?" Figure 2.4(a) shows a segmented bar chart for response frequencies, while Figure 2.4(b) shows a segmented bar chart for response relative frequencies as percents. Possible responses were "I haven't had any stress," shown in red, "I've had stress but it hasn't hurt my grades," shown in green, or "I've had stress and it has hurt my grades," shown in blue. (a) Did more males or more females answer the survey or did approximately equal numbers of males and females participate? Is graph (a) or (b) more helpful to answer this question? (b) Did a greater number of males or females say they had no stress or is it approximately equal between males and females? Is graph (a) or (b) more helpful to answer this question?

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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