Grade 12 Quizzes, Questions & Answers
Recent Grade 12 Quizzes
Questions: 10 | Attempts: 251 | Last updated: Mar 21, 2025
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Sample QuestionWhat can be used to reverse conditional probability?
Questions: 5 | Attempts: 561 | Last updated: Mar 17, 2025
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Sample QuestionIn a large high school, student leadership wants to randomly select a sample to survey the student body. They will first randomly select 25 freshman, then randomly select 25 sophomores, then randomly select 25 juniors, and then randomly select 25 seniors. This is an example of a
Questions: 5 | Attempts: 465 | Last updated: Mar 22, 2025
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Sample QuestionA set of test scores has the following 5-number summary: Min Q1 Median Q3 Max 2 18 22.5 28.5 33 Which statement about outliers must be true?
Questions: 5 | Attempts: 526 | Last updated: Mar 20, 2025
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Sample QuestionResearchers in the Southwest studying tortoise habitat collected the following data. If a tortoise is selected at random, let A = the tortoise is a female, and B = the tortoise is a Morafka. Which answer appropriately interprets the value of P(B|A)? Species Male Female Agassiz 18 33 Morafka 12 15
Questions: 5 | Attempts: 558 | Last updated: Mar 18, 2025
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Sample QuestionA high school sent a survey to a randomly selected sample of 75 of last year's graduating class. 27 of those selected did not return the survey. The best plan of action would be to:
Questions: 5 | Attempts: 423 | Last updated: Mar 21, 2025
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Sample QuestionFor a class project, Charlotte recorded the heights of all 28 students in her class and calculated several statistics. She then realized she made an error recording the height of the tallest person in the class. She correctly had him listed as the tallest, but needed to add two inches to his recorded height to correct it. Which of these measures of spread must remain unchanged?
Questions: 5 | Attempts: 455 | Last updated: Mar 17, 2025
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Sample QuestionSixty-two students were asked to complete a number puzzle. The number of minutes each student needed to complete the puzzle was recorded and the times are displayed in the histogram below. Which of the following describes the distribution?
Questions: 100 | Attempts: 207 | Last updated: Mar 21, 2025
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Sample QuestionWhich functions do client systems technicians perform regarding personal wireless communications systems
Questions: 30 | Attempts: 121 | Last updated: Mar 17, 2025
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Sample QuestionPurchasing power is measured by
Questions: 10 | Attempts: 1212 | Last updated: Sep 17, 2025
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Sample QuestionWhere does hematopoiesis takes place?
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