A teacher predicts that the distribution of grades on the final exam will be and they are
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A teacher predicts that the distribution of grades on the final exam will be and they are recorded in Table 11.21.
χ2 test statistic = ______
Transcribed Image Text:
Grade Proportion A 0.25 B 0.30 C 0.35 D 0.10 Table 11.21 The actual distribution for a class of 20 is in Table 11.22. Grade Frequency A 7 B 7 C 5 D 1 Table 11.22
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Related Book For
Introductory Business Statistics
ISBN: 202318
1st Edition
Authors: Alexander Holmes , Barbara Illowsky , Susan Dean
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