A Statistics Professor Posted the Following Grade Distribution Guidelines for His

Short Answer

A statistics professor posted the following grade distribution guidelines for his elementary statistics class: 8% A, 35% B, 40% C, 12% D, and 5% F. A sample of 100 elementary statistics grades at the end of last semester showed 12 As, 30 Bs, 35 Cs, 15 Ds, and 8 Fs. Test at the 5% significance level to determine whether the actual grades deviate significantly from the posted grade distribution guidelines. = ______________
Critical Value = ______________
Conclusion: ______________
The actual grades ______________ from the posted grade distribution guidelines.