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  3. 1) what is the sum ? x y? 2) what is the pearson c

1) What is the sum ? X Y? 2) What is the Pearson correlation coefficient (r)...

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Question

Basic Math

1) What is the sum ? X Y?

2) What is the Pearson correlation coefficient (r) for the databelow?

3)If you were to test the Pearson correlation coefficient forsignificance, what would be the critical value of t(alpha=.05)?

4) If you were to test the Pearson correlation coefficient forsignificance, what would be the computed value of t(alpha=.05)?

5)If you were to test the Pearson correlation coefficient forsignificance, what would be your conclusion (alpha=.05)?

6) For the data below, what is the value of "b" for theregression equation?

7)For the data below, what is the value of "a" for theregression equation?

8)For the data below, what is the IQ of the son if the fatherhas an IQ of 100?

9)For the data below, what is the IQ of the son if the fatherhas an IQ of 90?

10) For the data below, what is the IQ of the son if the fatherhas an IQ of 80

11) For the data below, what is the standard error of theestimate for the previous predictions

FamilyFatherSon
120121
110105
120125
9287
8592
7290
107110
115122
155133
90123

Answer & Explanation Solved by verified expert
3.7 Ratings (374 Votes)
X Y XY X Y 120 121 14520 14400 14641 110 105 11550 12100 11025 120 125 15000 14400 15625 92 87 8004 8464 7569 85 92 7820 7225 8464 72 90 6480 5184 8100 107 110 11770 11449 12100 115 122 14030 13225 14884 155 133    See Answer
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