Mathematics, 08.04.2021 15:40 jaeybird9
Researchers surveyed 50 students (group 1) setting in the back half of the classroom and 15 students (group 2) sitting in the front half of the classroom. The researcher recorded their seating location and their GPA. The goal of the study was to see if, on average, the students that sat in the back half of the classroom have lower GPAs than those that sat in the front half. The sample statistic is -0.170 with standard error 0.132. The resulting p-value is 0.099. Correctly complete the p-value interpretation below: The chance of seeing a sample of or any value is 0.099, assuming the difference in population means is
Answers: 2
Mathematics, 21.06.2019 19:40
Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e.g. 98.76543).
Answers: 3
Mathematics, 22.06.2019 00:40
Astock has a 25% probability of increasing by $10 and a 75% probability of decreasing by $5. what is the stocks expected increase or decrease?
Answers: 1
Mathematics, 22.06.2019 01:00
On friday, there were x students at the baseball game. on monday, there were half as many students at the game as there were on friday. on wednesday, there were 32 fewer students at the game as there were on friday. which expression could represent the total number of tickets sold for all 3 games?
Answers: 2
Researchers surveyed 50 students (group 1) setting in the back half of the classroom and 15 students...
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