
Let's Solve :
Therefore, the correct answer is 12
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<span>The null hypothesis states that a population parameter is equal to a value. The null hypothesis is often an initial claim that researchers specify using previous research or knowledge. ... The alternative hypothesis is what you might believe to be true or hope to prove true.</span>
The correct answer would be D because if there are points at -8 and -2, those are the numbers that are plotted.