A Study Was Conducted to Investigate the Effect of Coaching

question 58

Multiple Choice

A study was conducted to investigate the effect of coaching on IQ tests. Nine randomly selected students were tested. Calculate T⁻ and T⁺.

• A) 44, 1
• B) 38.5, 6.5
• C) 45.5, 2.5
• D) 32.5, 12.5

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