Question

In: Statistics and Probability

Do all hypothesis testing steps and find the correlation coefficient for the following data to determine...

Do all hypothesis testing steps and find the correlation coefficient for the following data to determine if there is a significant correlation between the results of IQ test and Test A scores. (A higher score on either tests = a “better” score”)

A.Also make a scatterplot (by hand) for this data. (IQ is X and Test Score is Y, also begin at 90 for X and 30 for Y)

B.Calculate the regression equation for predicting scores on the Y’(Reading test) variable.

C.Predict Y for X = 101

D.Predict Y for X = 97

Student IQ scores Test A score

1 34 92

2 39 94

3 44 96

4 49 98

5 54 100

6 59 102

7 64 104

8 69 106

9 74 108

Expert Solution

1. Find the correlation

2.hypothesis testing to check if the correlation is significant.

3. Scatterplot

4. Regression equation and predict values.

orchestra answered 1 year ago

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