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Study Stuff for MCA Examinations - NIMCET
Study Stuff for MCA Examinations - NIMCET
Previous Year Question (PYQs)
The mean difference between 9 paired observations is 15, and the standard deviation of differences is 5. The value of statistic $t$ is
Solution
$t=\frac{\bar{d}}{s_d/\sqrt{n}}$
$=\frac{15}{5/\sqrt{9}}=\frac{15}{5/3}=\frac{15\times3}{5}=9$
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