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balu736 [363]
2 years ago
8

Shown below are the scatter plots for four data sets. Answer the questions that follow.

Mathematics
1 answer:
11111nata11111 [884]2 years ago
4 0
Clusters are when data is very close together therefore graphs 2 and 3 have clusters. The data doesn’t seem to fit the regression line very well like figure 4.

Outliers in data or scatter plots are when values are very separated form each other therefore scatter plot 1 is the only one that has outliers. It has blue dots that are very separate from its regression line.

Figure four doesn’t fit any of the questions asked.
Hope this helps!
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The test statistic of z= -2.39 is obtained when testing the claim that p<0.52.
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Considering the situation described, we have that:

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<h3>What is the critical value?</h3>

We have a left-tailed test, as we are testing if the proportion is less than a value. Hence the critical value is z with a p-value equals to the significance level, hence z with a p-value of 0.05, hence z = -1.645.

<h3>What is the decision?</h3>

Considering the test statistic, for a left-tailed test, we have that:

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In this problem, z = -2.39 is less than -1.645, hence we should reject the null hypothesis H0.

More can be learned about the test of an hypothesis at brainly.com/question/13873630

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the other intercept is at (-3.08,0)
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Step-by-step explanation:

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