who was opposed to the idea? it depends
Answer: Internal validation
Explanation:
internal validation is what she's doing, trying to weigh what she can and not do.
<em>Answer:</em>
<em>Reject the null, there is a difference</em>
<em>Explanation:</em>
<em>As per the question, if the given conclusion were incorrect then the error that the researcher has made was rejecting the null hypothesis as it states that there is a difference in characteristics of a mentioned population.</em>
<em>In statistics, the null hypothesis is described as one of the distinct types of hypotheses that is being used in statistics and states that is majorly no difference between the characteristics of a mentioned population or any process that involves data gathering or generating</em>
