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The data below represent the number of UFO sightings Cal Baptist University freshmen reported before and after attending a workshop by the University Deacon titled
The data below represent the number of UFO sightings Cal Baptist University freshmen reported before and after attending a workshop by the University Deacon titled "We're not alone in the Universe" in their first year at Cal Baptist. Is there a statistically significant difference? Data table Participant A B C D E F G H Before the workshop 7 8 4 6 3 9 4 7 After the workshop 10 7 14 13 11 10 4 11 D -3 1 -10 -7 -8 -1 0 -4 D2 9 1 100 49 64 1 0 16 D = -32 D2 = 240 (D)2 = 1024 N = 8 Mean difference = 4 Estimated variance = 16 What is step 1? Group of answer choices H0: D = 0 and H1: D 0 H0: D 0 and H1: D > 0 H0: D 0 and H1: D < 0
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