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So I see this question everywhere but usually unanswered or just wrong, so can someone please help me? I really need to pass my algebra and this one is hard. 

 

1.     There are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. The first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%.

The line plot shows the differences after 10 rerandomizations. Determine whether the difference in the means of the two groups is significant based on the line plot. Explain your answer.

 

thank you so so so much for help y'all

 Mar 4, 2019
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So 95%-92%= 3%, so therefore it is insignificant because 3% is on plot in the middle.

 Mar 4, 2019

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