elmo K400006 This Qeestion 1 pt This Test 5pts Time Remaini

K400006 > This Qeestion: 1 pt This Test: 5pts Time Remaining: 00 34:35 Ekno ikes music. He wondered if kstening to music while studying willimprove scores on an exam. Fifty students who were to take the midterm in a week agreed to be part of a study. Half were randomly assigned to isten to classical masic whale studying for the exam. The other half were told not tolisten to any masac while studying for the exam Ahypothesis test is to be performed to determine if the average score ofthose while studying for the exam was higher than for those who did not listen cocrect ll bypothesis? if the average score of those listening to musc Choose the correct answer below OA The mitherm scores of those who listen to classical music while stodying are the same as mifterm scores of those who don\'t Esten to masic OR There is a difference in the mean midterm scores betuveen those who Esten to classical music while studying and those who don\'t lsten to OC The average midterm score for t ose w listen to classical muse while stadyng B higher than the average mitem score for those who do Ob There is no difference in the mean midherm scores between these who listen to classical music while stadying and those who dee\'t Esten to whdle studying wc while studying sten to music while studying masic while stadying Sabmit Quiz 5 Submered fhve assigrments in a row on time sutmnedoe assigrments in a Yow n t urselt in this class Earned Masitery Leve Tuesday, May 26

Solution

The null hypothesis is the statement of indifference for any of a population paramater such as mean, standard deviation or proportion.

Thus the correct answer is D, that is, there is no difference in the mean mid-term scores between those who listen to classical music while studying and those who do not listen to classical music while studying.