The state test scores for 12 randomly selected high school seniors are shown on the right. Complete parts (a) through (c) below. 1430 1230 985 699 730 834 725 748 548 Assume the population is normally distributed. 624 1443 945 (a) Find the sample mean. x= (Round to one decimal place as needed.)

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A: Mean : Mean is defined as the sum of all observations  divided by the total observations.

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Q: The state test scores for 12 randomly selected high school seniors are shown on the right Complete…

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Q: The state test scores for 12 randomly selected high school seniors are shown on the right. Complete…

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Q: The state test scores for 12 randomly selected high school seniors are shown on the right. 1421 1227…

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