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Mathematics, 24.07.2019 22:40 bejaranobella07
Alab is conducting a test to see if people prefer cookie a or cookie b. the steps in the test are outlined below: step 1. recruit one hundred volunteers and tell them that cookie a is preferred by most. step 2. give them cookie a and ask them to rate the flavor. step 3. give them cookie b and ask them to rate the flavor. step 4. reveal which cookie they preferred. which step could lead to biased results?
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Mathematics, 21.06.2019 14:50, littlemrslazy
What is [tex] {7}^{98 + \sqrt{4} } - 3 \times (64 \div 2 + 4 - 36) \times a = a + 36[/tex]?
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Mathematics, 21.06.2019 20:30, cogger9348
3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.
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Alab is conducting a test to see if people prefer cookie a or cookie b. the steps in the test are ou...
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