Ascientist recently submitted a paper to a leading scientific journal his data assert that new drug combination is an effective treatment for ear infections his study included eight test subjects four of whom recieved the new drug combination and four of whom recieved a placebo all four subjects who recieved the drug combination were without sympthoms after ten days pf treatment the paper was rejected which of the following is the most likely reason for the rejection

APEX

The study involves too small a sample size.

Step-by-step explanation:

The most likely reason for the rejection would be the size of the sample be considered too small for making a proper conclusion. Taking in consideration that conclusions usually rely on generalizations, the bigger the sample, the easier to generalize without risking making a wrong assumption and not considering all the variables involved.

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step-by-step explanation:

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< coa = 150 ( given)

as ba and bc are tangents

so oc and oa is perpendicular to cb and ab respectively because in circle normal passes through centre

so in quadrilateral oabc

< coa + < oab + < ocb + < abc = 360

150 +90+90 + < abc = 360

330 + < abc = 360

< abc = 360 -330 = 30

so < abc = 30

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