1. State th e null and alternative hypothe se s and the level of significance 2. State and che ck the as sumptions for the hypothesis test a. A rando m sample is taken. b. Expected freq uencies for each cell are g reater than or equal to 5 (The exp ect ed frequencies, E, will be calculated later, and this assumption means E ǃ 5 ). 3. Find the test statistic and p-value 4. Mak e a decision about the hypotheses. 5. S ummarize your findings. 2) A res ea rche r wa nts to de te rmine if the numbe r o f minute s spe nt wa tching te le vision pe r day is indepen de nt of ge nder. A ra ndom sa mple of 3 15 a dults wa s se le cted a nd the re sults a re s hown be low. Is the re e nough e viden ce to conc lude tha t the numb er of minute s spen t wa tc hing te levisio n pe r da y is re la te d to ge nder? Use ΅ = 0.05. Ge nder Minute s spe nt w atching T V pe r da y Ma le Fe ma le 0 - 30 30 - 60 60 - 90 90 - o ver 25 35 75 45 30 45 45 15
1. State th e null and alternative hypothe se s and the level of significance 2. State and che ck the as sumptions for the hypothesis test a. A rando m sample is taken. b. Expected freq uencies for each cell are g reater than or equal to 5 (The exp ect ed frequencies, E, will be calculated later, and this assumption means E ǃ 5 ). 3. Find the test statistic and p-value 4. Mak e a decision about the hypotheses. 5. S ummarize your findings.
2) A res ea rche r wa nts to de te rmine if the numbe r o f minute s spe nt wa tching te le vision pe r day is indepen de nt of ge nder. A ra ndom sa mple of 3 15 a dults wa s se le cted a nd the re sults a re s hown be low. Is the re e nough e viden ce to conc lude tha t the numb er of minute s spen t wa tc hing te levisio n pe r da y is re la te d to ge nder? Use ΅ = 0.05. Ge nder Minute s spe nt w atching T V pe r da y Ma le Fe ma le 0 - 30 30 - 60 60 - 90 90 - o ver 25 35 75 45 30 45 45 15
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