Below are the research questions of four students and the statistical tests they used in ordertoanswer the said questions. Who among them useda statistical toolthat is NOT appropriate with theobjective(s) of his her study?A Eizabeth conducted a study to investigate the antimicrobial potentials of a plart's leafethanolic extractagainst two multiple antibiotic resistart bactenia; namdy Staphylococcusaureus and Escherichiacoliusing standard microbiologcaltechniques The extracts weretestedusing agar diffusion method and the antimicrobial potency ofthe extracts wereevaluatedby the deteminationofthe zone of inhibitions Elizabethused Marm-Whitney UTest to answer the question, "is there a significant diffßerence on the cone of inhibitions ofSaureus and E coli when treatedwith the plant's leafethanolic extract?"B. Elijah conducted a research to detamine the existence of a relationship between the plasmaascorbic acidlevels and stress levels of pregnant women Twenty (20) women in the lastthree months ofpregnancy, free ofmajor health disordas, andranging in age from 15 to 32years, were selected for the study. The plasma Ascorbic acid values were detemined inmilligrams per milliliters through a 20 mL bloodsample while the stress level scores weremeasuredusing the PSS or perceived stress scale. Elijahused Pearson's rto answer thequestion, "is there sufficientevidenceto conchude thatthere is a significant relationshipbetween pregnant women's stress levelscores and plasma ascorbic acidvalues"C. Bethanelis trying to decide whether the use ofradialtires insteadofregular belted tireswill improve the fuel economy ofthe models in their company. At 0.50 power and0.80expectedeffect size, thirteen (13)cars were equipped with ra dial tires and drivenover aprescribed test course Without changing drivers, the same cars were then equipped withregular belted tires and driven once again ova the test course. The gasoline consumptionin kilometers per liter, was recorded Bethariel usedt-test for independert samples toanswer the question, "do cars equipped withradial tires ghe better fuel economy thanthose equipped with belted tires?"D. Elgardis trying to detemine whether the type ofleadership of a person is associated withhis educational background(programgraduated). In this study, a sample of 384managemert lea ders were selected Elgard used Chi-square test to answer the question, "isthere a significant association between a person's type ofleadership and programgraduated from?"

Question

Below are the research questions of four students and the statistical tests they used in ordertoanswer the said questions. Who among them useda statistical toolthat is NOT appropriate with theobjective(s) of his her study?A Eizabeth conducted a study to investigate the antimicrobial potentials of a plart's leafethanolic extractagainst two multiple antibiotic resistart bactenia; namdy Staphylococcusaureus and Escherichiacoliusing standard microbiologcaltechniques The extracts weretestedusing agar diffusion method and the antimicrobial potency ofthe extracts wereevaluatedby the deteminationofthe zone of inhibitions Elizabethused Marm-Whitney UTest to answer the question, &#34;is there a significant diffßerence on the cone of inhibitions ofSaureus and E coli when treatedwith the plant's leafethanolic extract?&#34;B. Elijah conducted a research to detamine the existence of a relationship between the plasmaascorbic acidlevels and stress levels of pregnant women Twenty (20) women in the lastthree months ofpregnancy, free ofmajor health disordas, andranging in age from 15 to 32years, were selected for the study. The plasma Ascorbic acid values were detemined inmilligrams per milliliters through a 20 mL bloodsample while the stress level scores weremeasuredusing the PSS or perceived stress scale. Elijahused Pearson's rto answer thequestion, &#34;is there sufficientevidenceto conchude thatthere is a significant relationshipbetween pregnant women's stress levelscores and plasma ascorbic acidvalues&#34;C. Bethanelis trying to decide whether the use ofradialtires insteadofregular belted tireswill improve the fuel economy ofthe models in their company. At 0.50 power and0.80expectedeffect size, thirteen (13)cars were equipped with ra dial tires and drivenover aprescribed test course Without changing drivers, the same cars were then equipped withregular belted tires and driven once again ova the test course. The gasoline consumptionin kilometers per liter, was recorded Bethariel usedt-test for independert samples toanswer the question, &#34;do cars equipped withradial tires ghe better fuel economy thanthose equipped with belted tires?&#34;D. Elgardis trying to detemine whether the type ofleadership of a person is associated withhis educational background(programgraduated). In this study, a sample of 384managemert lea ders were selected Elgard used Chi-square test to answer the question, &#34;isthere a significant association between a person's type ofleadership and programgraduated from?&#34;

Accepted Answer

Mann Whitney U test:
Mann Whitney U test is the nonparametric test, which is used for testing…