Write degrees of freedom associated with test statistic

Reference no: EM13102872

After receiving some complaints from readers, campus newspaper makes decision to redesign front page. Two new formats B and C were created and tested against current format. A total of 75 students were arbitarily selected and 25 students were arbitarily allotted to each of three format conditions. Students were asked to estimate effectiveness of format on an 11-point scale.

a) Define the null hypothesis

b) What statistical test must you use?

c) Write down the degrees of freedom associated with the test statistic?

Reference no: EM13102872

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