Increases expected number of credits by regression equation

Reference no: EM1320784

Q1) Regression equation Credits=15.4-.07 Work was fitted from sample of 21 students. Credits are number of college credits taken and Work is number of hours worked per week at outside job.

Required:

a) Select the correct statement. Increase in number of hours worked per week increases the expected number of credits.

An increase in the number of hours worked per week decreases expected number of credits.

Decrease in number of hours worked per week decreases expected number of credits.

b) Select the right option.

Intercept is meaningful as student may not have job outside school.

Intercept is not meaningful as student who works outside may not earn any credits.

c) If Work = 0 then Credits = Error! Not valid embedded object.

If Work = 40 then Credits = Error! Not valid embedded object.

Reference no: EM1320784

Questions Cloud

Assume the bills have the chance to offer : Assume the Bills have the chance to offer a season ticket that is good for all eight home games, a partial season ticket that is good.

Average value of sales : The manager is concerned that sales are slipping, after taking into account the average value of sales for four consecutive Saturdays being $4800.

Identifying the information security problem : In relation to the project management tools, discuss and give two examples or scenarios in order to demonstrate how the work breakdown structure could recognize and plan an information security problem or issue in the organisation.

Lump sum tax cause the after tax consumption schedule : Does a lump sum tax cause the after tax consumption schedule to be flatter than the before tax consumption schedule.

Increases expected number of credits by regression equation : Regression equation Credits=15.4-.07. Select the correct statement. Increase in number of hours worked per week increases the expected number of credits.

Find the probability for the ride who will get a seat : Find the probability that everyone who appears for the ride will get a seat.

Interval of the estimation of true mean : If we wanted to shorten the interval of the estimation of the true mean of Saturday sales to a width of $600 in total, what should the size of our sample be to achieve it?

Assume the manager asks for volunteers postpone their tour : Assume the manager asks for volunteers to postpone their tour by offering increasing amounts of cash compensation until only four people want to see the caves that day.

Determining the asymptotic formula : Provide an asymptotic formula for each of the following recurrence equations, utilizing big “Θ” rather than just big “O” for better results whenever possible.

User Account

All Pages