I need help How I can test it in ?=.5 ? and how to find the correlation ? Constr

Question

I need help

How I can test it in ?=.5 ?

and how to find the correlation ?

Construct a scatter plot for the data obtained in a study on the number of absences and the final grades of seven randomly selected students from a statistics class. The data are shown here. Number of absencesix Student gradey(%) 86 43 74 58 15 12 Solution STEP 1 Draw and label the x and y axes STEP 2 Plot each point on the graph, as shown in Figure 10-2. 100 90 50 40 30 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Number of absences

Explanation / Answer

What exact you want to test?

In second question given correlation coefficient r (-0.944) is the answer.

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