You are doing research for a science project on current trends in nanotechnology. you do a web search for information that includes several interesting articles with publish dates about a year ago. which evaluation factor are you using when you decide not to use these articles?

Given the resulting p-values, would you reject or fail to reject the null hypotheses (assuming a 0.05 significance level)? what does your decision mean in the context of this problem? would you proceed with changing the design of the arrow, or would you keep the original design?

This graph compares the cost of room and board at educational institutions in texas.

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