State degrees of freedom associated with the test statistic

Reference no: EM13199147

After receiving some complaints from readers, your campus newspaper decides to redesign its front page. Two new formats B and C were developed and tested against the current format, A. A total of 75 students were randomly selected and 25 students were randomly assigned to each of three format conditions. The students were asked to evaluate the effectiveness of the format on an 11-point scale. (1 = Poor, 11 = excellent)

a) State the null hypothesis

b) What statistical test should you use?

c) What are the degrees of freedom associated with the test statistic?

Reference no: EM13199147

Questions Cloud

Find a polynomial for the remaining area of the corral : rancher in calgary builds a silo in his corral. The rectangle corral measures 21m by 15m and the silos base is circular in diameter with a diameter of x meters. Find a polynomial for the remaining area of the corral.

Uniform crime report data : To complete this matrix, list two pros and two cons of Uniform Crime Report (UCR) data and two pros and two cons of self-report data.

How do we go about solving the problem : Sam purchased a machine 4 yrs ago at at cost of $8,000. It has a book value of $2300. It can be sold now for $4,300, or it could be sold for 3 more yrs,at the end of which time it would have no salvage value. assuming it is kept for 3 more yrs.

Find the length of the sides parallel to the store : There are 420 feet of fencing available to complete the job. Find the length of the sides parallel to the store and perpendicular that will maximize the total area of the outdoor enclosure.

State degrees of freedom associated with the test statistic : After receiving some complaints from readers, your campus newspaper decides to redesign its front page. Two new formats B and C were developed and tested against the current format

Relative importance of the industrial and market revolutions : Weigh the relative importance of the Industrial and Market revolutions in changing the American economy. In what ways was the economy different in 1860 from what it had been in 1800? How would you explain those differences?

Is the heat absorbed by the water is greater smaller : Is the heat absorbed by the water is greater smaller or the same?

What will be your total revenue from sales : As a manager of MyShoo Inc., you have estimated that the daily demand for shoes that your firm faces is Q=325-3P-0.01 I, where P is the price of a pair of MyShoo shoes and I is the average consumer income of the firm's customers.

What required rate of return would result in a stock price : A $1,000 bond was issued in the year 2000 at a rate of 7%. The bond's maturity was 20 years. What is the most you would pay for the bond in 2012 if bonds of similar risk were yielding a return of 5%?

User Account

All Pages