Textbook ExpertVerified Tutor
15 Dec 2021
Given information
Use the following information to answer the next five exercises:
A teacher predicts that the distribution of grades on the final exam will be and are recorded in
The actual distribution for a class of is in
Step-by-step explanation
Step 1.
As all entries in the table are greater than or equal to five the goodness-of-fit test can be conducted in this case.
Therefore, the degrees of freedom are calculated as follows:
where
Thus, in the given scenario the degree of freedom is .
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