Simple regression was employed to establish the effects of childhood exposure to lead. The effective sample size was about 122 subjects. The independent variable was the level of dentin lead (parts per million). Below are regressions using various dependent variables. (a) Calculate thet statistic for each slope, at significance level = 0.01.(Negative values should be indicated by a minus sign. Round your answers to 2 decimal places.) Dependent Variable R 2 Estimated Slope Std. Error tcalculated p-value Differ from 0? Highest grade achieved .061 −0.027 0.009 .008 (Click to select) Yes No Reading grade equivalent .121 −0.070 0.018 .000 (Click to select) Yes No Class standing .039 −0.006 0.003 .048 (Click to select) No Yes Absence from school .071 4.8 1.7 .006 (Click to select) No Yes Grammatical reasoning .051 0.159 0.062 .012 (Click to select) No Yes Vocabulary .108 −0.124 0.032 .000 (Click to select) Yes No Hand-eye coordination .043 0.041 0.018 .020 (Click to select) No Yes Reaction time .025 11.8 6.66 .080 (Click to select) Yes No Minor antisocial behavior .025 −0.639 0.36 .082 (Click to select) No Yes

Simple regression was employed to establish the effects of childhood exposure to lead. The effective sample size was about 122 subjects. The independent variable was the level of dentin lead (parts...

Simple regression was employed to establish the effects of childhood exposure to lead. The effective sample size was about 122 subjects. The independent variable was the level of dentin lead (parts per million). Below are regressions using various dependent variables.

(a) Calculate thet statistic for each slope, at significance level = 0.01.(Negative values should be indicated by a minus sign. Round your answers to 2 decimal places.)

Dependent Variable	R ²	Estimated Slope	Std. Error	t_calculated	p-value	Differ from 0?
Highest grade achieved		.061			−0.027		0.009	.008	(Click to select) Yes No
Reading grade equivalent		.121			−0.070		0.018	.000	(Click to select) Yes No
Class standing		.039			−0.006		0.003	.048	(Click to select) No Yes
Absence from school		.071			4.8		1.7	.006	(Click to select) No Yes
Grammatical reasoning		.051			0.159		0.062	.012	(Click to select) No Yes
Vocabulary		.108			−0.124		0.032	.000	(Click to select) Yes No
Hand-eye coordination		.043			0.041		0.018	.020	(Click to select) No Yes
Reaction time		.025			11.8		6.66	.080	(Click to select) Yes No
Minor antisocial behavior		.025			−0.639		0.36	.082	(Click to select) No Yes

Jun 08, 2022

SOLUTION.PDF

Simple regression was employed to establish the effects of childhood exposure to lead. The effective sample size was about 122 subjects. The independent variable was the level of dentin lead (parts...

Get Answer To This Question

Related Questions & Answers

Submit New Assignment