Based on the information in the following coefficients table:

	Unstandardized Coefficients	Standardized Coefficients
	B	Std. Error	Beta	t	Sig.
(Constant)	1.044	0.22		4.749	0.51
Number of Distractions (d)	-0.131	0.047	-0.236	-2.8	0.006
Hours of Sleep (s)	0.515	0.08	0.541	6.413	0.001
Dependent variable: Memory Score

a) Create the corresponding regression equation.

b) Interpret the slope for number of distractions (use the abbreviations provided).

c) Is the slope for hours of sleep significantly different from 0? How do you know? (answer both parts of c)