A group of children played a balloon dart game at the county fair. The children took turns at the game, and the first 9 players scored 230,540, 420,430,540, 560, 275,50,250 Joey is the 10th player, and his score is recorded with the first 9scores after his turn. If Joey wants his score to be higher than the 70th percentile of all 10 scores, at least how many points does Joey need to score?

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Q: please solve : B, C, and D     ch 9

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.