Wednesday
April 16, 2014

Homework Help: statistics

Posted by stan on Wednesday, December 12, 2012 at 3:25am.

5. A professor teaching introductory psychology gave the grades that follow. According to the normal curve, she should have given about 4% As, 14% Bs, 64% Cs, 14% Ds, and 4% Fs. Do a Chi-Square to determine if the actual grade assignment significantly departed from the normal distribution. α=.05

As Bs Cs Ds Fs
25 35 60 30 20

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

statistics - Last semester, a certain professor gave 23 As out of 279 grades. If...
Statistics - Exam Grades. A statistics professor is used to having a variance in...
Mathg - Last semester, a certain professor gave 26 As out of 332 grades. If one ...
Probablity - Last semester, a certain professor gave 43 As out of 242 grades. If...
Math - Last semester, a certain professor gave 36 As out of 390 grades. If one ...
algebra - Last semester, a certain professor gave 11 As out of 226 grades. If ...
elementary statistics - A statistics professor is used to having a variance in ...
elementary statistics - A statistics professor is used to having a variance in ...
Probability - Last semester, a certain professor gave 33 As out of 211 grades. ...
statistics - Suppose your statistics instructor gave six examinations during the...

Search
Members