Mathematics, 09.04.2021 03:20, gigi813
A forensic psychologist conducts a study examining whether being hypnotized during recall affects the number of facts a witness recounts. He separates his participants into two groups and have each view a short film of a mock robbery. The hypnotized sample of 14 witnesses recalled, on average, 17 facts with a sample variance of 47.3. The sample of 14 participants who were not hypnotized recalled, on average, 22 facts with a sample variance of 45.6. Assume the correct estimated standard error value.
A) What is the appropriate test for this data?
B) Conduct the appropriate hypothesis test by hand. Follow the five steps of hypothesis testing and provide a drawing.
C) Give an interpretation of this data (one sentence conclusion of the hypothesis test that should be free of statistical jargon) and report the statistics in APA format.
Answers: 2
Mathematics, 21.06.2019 20:30, attp203
Martha has a deck of cards. she has lost some of the cards, and now the deck only contains nine spades, eleven diamonds, eight clubs, and twelve hearts. martha predicts that whenever she draws a card from the deck without looking, she will draw a club one-fifth of the time. which activity would best allow martha to test her prediction? a. randomly draw a card from the box and see if it is a club. b. randomly draw a card. then, continue to draw another card until all eight clubs are drawn. c. randomly draw and replace a card 120 times. then, observe how close to 30 times a club is drawn. d. randomly draw and replace a card 100 times. then, observe how close to 20 times a club is drawn.
Answers: 3
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