Questions and Answers
𝙒𝙝𝙖𝙩 𝙞𝙨 𝙞𝙢𝙥𝙡𝙞𝙚𝙙 𝙞𝙛 𝙖 𝙣𝙚𝙬 𝙫𝙖𝙘𝙘𝙞𝙣𝙚 𝙩𝙧𝙞𝙖𝙡 𝙮𝙞𝙚𝙡𝙙𝙨 𝙖 𝙥-𝙫𝙖𝙡𝙪𝙚 𝙡𝙤𝙬𝙚𝙧 𝙩𝙝𝙖𝙣 0.001?
The effect observed is highly unlikely due to chance.
𝙒𝙝𝙞𝙘𝙝 𝙤𝙛 𝙩𝙝𝙚 𝙛𝙤𝙡𝙡𝙤𝙬𝙞𝙣𝙜 𝙗𝙚𝙨𝙩 𝙙𝙚𝙨𝙘𝙧𝙞𝙗𝙚𝙨 𝙩𝙝𝙚 𝙧𝙤𝙡𝙚 𝙤𝙛 𝙩𝙝𝙚 𝙣𝙪𝙡𝙡 𝙝𝙮𝙥𝙤𝙩𝙝𝙚𝙨𝙞𝙨 𝙞𝙣 𝙨𝙩𝙖𝙩𝙞𝙨𝙩𝙞𝙘𝙖𝙡 𝙩𝙚𝙨𝙩𝙞𝙣𝙜?
To provide a basis for comparison when testing for statistical significance."
𝙄𝙣 𝙖 𝙤𝙣𝙚-𝙩𝙖𝙞𝙡𝙚𝙙 𝙩𝙚𝙨𝙩, 𝙞𝙛 𝙩𝙝𝙚 𝙩𝙚𝙨𝙩 𝙨𝙩𝙖𝙩𝙞𝙨𝙩𝙞𝙘 𝙚𝙭𝙘𝙚𝙚𝙙𝙨 𝙩𝙝𝙚 𝙘𝙧𝙞𝙩𝙞𝙘𝙖𝙡 𝙫𝙖𝙡𝙪𝙚, 𝙬𝙝𝙖𝙩 𝙞𝙨 𝙩𝙝𝙚 𝙣𝙚𝙭𝙩 𝙨𝙩𝙚𝙥?
The correct answer is: Reject the null hypothesis.
𝙒𝙝𝙚𝙣 𝙘𝙤𝙣𝙙𝙪𝙘𝙩𝙞𝙣𝙜 𝙖 𝙨𝙩𝙪𝙙𝙮 𝙩𝙤 𝙘𝙤𝙢𝙥𝙖𝙧𝙚 𝙩𝙝𝙚 𝙚𝙛𝙛𝙚𝙘𝙩𝙞𝙫𝙚𝙣𝙚𝙨𝙨 𝙤𝙛 𝙩𝙬𝙤 𝙛𝙚𝙧𝙩𝙞𝙡𝙞𝙯𝙚𝙧𝙨 𝙤𝙣 𝙥𝙡𝙖𝙣𝙩 𝙜𝙧𝙤𝙬𝙩𝙝, 𝙬𝙝𝙖𝙩 𝙬𝙤𝙪𝙡𝙙 𝙩𝙝𝙚 𝙣𝙪𝙡𝙡 𝙝𝙮𝙥𝙤𝙩𝙝𝙚𝙨𝙞𝙨 𝙩𝙮𝙥𝙞𝙘𝙖𝙡𝙡𝙮 𝙨𝙩𝙖𝙩𝙚?
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𝘿𝙪𝙧𝙞𝙣𝙜 𝙖 𝙧𝙚𝙨𝙚𝙖𝙧𝙘𝙝 𝙨𝙩𝙪𝙙𝙮, 𝙖 𝙥-𝙫𝙖𝙡𝙪𝙚 𝙤𝙛 0.07 𝙬𝙖𝙨 𝙤𝙗𝙩𝙖𝙞𝙣𝙚𝙙. 𝙃𝙤𝙬 𝙨𝙝𝙤𝙪𝙡𝙙 𝙩𝙝𝙞𝙨 𝙗𝙚 𝙞𝙣𝙩𝙚𝙧𝙥𝙧𝙚𝙩𝙚𝙙?
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𝙒𝙝𝙖𝙩 𝙞𝙨 𝙩𝙝𝙚 𝙢𝙚𝙖𝙣𝙞𝙣𝙜 𝙤𝙛 𝙚𝙘𝙤𝙣𝙤𝙢𝙚𝙩𝙧𝙞𝙘𝙨?
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