Mathematics · Statistics
If the correlation coefficient between two halves of a test is r = 0.65, then what will be the reliability of the whole test using the Spearman-Brown prophecy formula?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.788✓
- 20.798
- 30.778
- 40.781
Correct answer
0.788
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