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

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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
Family Father Son
120 121
110 105
120 125
92 87
85 92
72 90
107 110
115 122
155 133
90 123

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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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Family	Father	Son
	120	121
	110	105
	120	125
	92	87
	85	92
	72	90
	107	110
	115	122
	155	133
	90	123