A biologist took a count of the number of migrating waterfowl at a particular lake, and the lake’s population of waterfowl on each of the next six weeks. Find a quadratic function that models the data as a function of x, the number of weeks. Use the model to estimate the number of waterfowl at the lake on week 8. A. Px=25x2-28x+585;1,614 waterfowl B. Px=30x2+28x+535;2,679 waterfowl C. Px=25x2-28x+585;1,961 waterfowl D. Px=30x2+28x+535;2,201 waterfowl

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algebra 11 months ago 3013

1. The median score is also the _ a. 75th percentile b. 5th decile C. 3rd decile d. 1st quartile 2. Rochelle got a score of 55, which is equivalent to a 70th percentile rank in a mathematics test. Which of the following is NG _ true? a. She scored above 70% of her classmates. b. Thirty percent of the class got scores of 55 and above. c. If the passing mark is the first quartile, she passed the test. d. Her score is below the 5th decile. 3. The lower quartile is equal to _ a. 50th percentile percentile c. 2nd decile d. 3rd quartile b. 25th 4. In the set of scores 14, 17, 10, 22, 19, 24, 8, 12, and 19, the median score is a, 17 b. 15 c. 16 d. 13 _ 0rOre nf 50 which is the third quartile. This means that

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algebra 11 months ago 6701