Is the intercept meaningful

Reference no: EM13155516

The regression equation Credits = 15.4 - .07 Work was fitted from a sample of 21 statistics students. Credits is the number of college credits taken and Work is the number of hours worked per week at an outside job.

A) Interpret the slope.
B) Is the intercept meaningful? Explain.
C) Make a prediction of Credits when Work = 0 and when Work = 40. What do these predictions tell you?

Reference no: EM13155516

Questions Cloud

What is the millimolar concentration of dissolved oxygen : What is the millimolar concentration of dissolved oxygen for a lake or stream under the partial pressure of oxygen and a temperature of 12?

How many amino acid residues in a-helical conformation : Recall that an a-helix has 3.6 amino acid residues per turn, and a pitch of 0.54 nm/turn. The thickness of the hydrophobic core of the lipid bilayer in biological membranes is about 3.0 nm. How many amino acid residues in a-helical conformation wo..

Will a monopolist total revenue be larger with second-degree : Will a monopolist's total revenue be larger with second-degree price discrimination when the batches on which it charges a uniform price are larger or smaller? Why?

Apporiate basis for choosing an allocation base : The president says to choose the allocation base that results in the highest income. Is this an apporiate basis for choosing an allocation base?

Is the intercept meaningful : Credits is the number of college credits taken and Work is the number of hours worked per week at an outside job. Is the intercept meaningful? Explain.

There is less than 7 beds : a.There is less than 7 beds per house in Compton; Decision in to reject the null hypothesis b. 30 % of Americans go to church on Sundays. Decision is not to reject the null hypothesis

Should wardco be required to treat the water in this case : If it cost Wardco $10million to treat the water and the value of mined products to customers is $8million, requiring water treatment would kill the project. Should Wardco be required to treat the water in this case?

What is coupling of chemical : What is "coupling of chemical?" Provide two relevent biological example to help explain the importance of this process to living organism.

What is the concentration of each ion : What is the concentration of each ion in a solution formed by mixing 44.0 mL of 0.100 M Na2SO4 and 25.0 mL of 0.150 M KCl?

User Account

All Pages