Bb Bb x Bb Bb C n O when σ is large O when σ is small O when σ is known Remaining Time: 1 hour, 23 minutes, 53 seconds.

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Bb Bb x Bb Bb C n O when σ is large O when σ is small O when σ is known Remaining Time: 1 hour, 23 minutes, 53 seconds. Question Completion Status: 10 20 30 6 7 8 9 10 11 12 13 14 15 50 270 280 29 30 31 32 330 340 350 360 370 380 39 40 41 O 116.7 O 2.42 O 2.36 Bb Bb Bb QUESTION 6 Under what circumstances is at statistic used instead of a z-score for a hypothesis test? O when a is unknown σ Bb Bb Bb Bb Bb https://bb.uhd.edu/web... A Q t> 1.96 O 1.96 O 0.00 QUESTION 9 On average, what value is expected for the t statistic when the null hypothesis is true? O 1.00 O QUESTION 7 Which of the following most closely approximates the estimated standard error, where n = 21 with SS = 2450? O 122.5 Bb Support ? 16 42 Click Save and Submit to save and submit. Click Save All Answers to save all answers. QUESTION 8 Which of the following is the best approximation to the t values that form the boundaries of the critical region for a two-tailed test with alpha = 0.01 when the df = 20? O 2.528 O 2.539 O 2.845 O 2.861 Bb Bb + 17 18 19 20 430 440 450 460 21 47 220 230 24 250 260 480 49 500 51 1 points 1 points 1 points 1 points Save All Answers 00 Save Answer Save Answer Save Answer Save Answer Save and Submit x ... A