4. I have reviewed the midterm grades, and I am trying to predict how well the...

70.2K

Verified Solution

Question

Basic Math

4. I have reviewed the midterm grades, and I amtrying to predict how well the class will do on the final exam. Thefrequency values are actual grades for the Summer II midterm:
GradeExpectedFrequency (Observed)
Greater than A57
A69
B84
C34
D10
F21
a. What will be my degrees of freedom?
b. What is O-E (difference) for grades of B?
c. What is O-E^2 for grades of A?
d. What is (O-E)^2/E for grades of F?
e. What is O-E (difference) for grades of B?
f. What is the chi square (?2) test statistic?
g. What is the p-value?
h. At the 5% significance level, what is yourdecision?
i. What is the reason for the decision?
j. What is the conclusion in full sentences?

Answer & Explanation Solved by verified expert
4.4 Ratings (688 Votes)
    See Answer
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students