Files Top Hat xGt3 to ibm - Google Seer x .rks-lli l aley dub 4· C secure l http

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Files Top Hat xGt3 to ibm - Google Seer x .rks-lli l aley dub 4· C secure l https://app.tophat.com/e/074366/ass.gned × Dismiss How likely are you to recommend Top Hat to your closest friends? 10 very unlikely Neutral Very likely Assigned as Question 2 Why use a null hypothesis? Why do we use a null hypothesis in the statistical analysis of experimental data? O Ae're trying to be sure we don't fool ourselves, seeing what we want to see in the comparison of the data sets. O B prtant that we not begin the design of our experiments without having a hypothesis to test. ie only use the null hypothesis when we don't know what to expect as the result of our experimental comparison O D Before we can use the null hypothesis we must have at least some data to compare. Unanswered Assigned as S27 PM 11/28/2017 Type here to search

Explanation / Answer

In research, reasercher do the experiment for disprove, reject or nullifies. So firs they decide what he has to prove or reject, then they start for his experiment. So, reasercher can not do any experiment without hypothesis ,that is why we use null hypothesis.

So option B is correct, It is important that we not begin of our experiment without having a hypothesis to test.

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