1) What is the equivalent of P90? a) Q3 b) D9 c) Median d) D90 2) Find the median of the data 3,4,5,3,4,6 a) 3 b) 4 c) 5 d) 6 3) Using Mendenhall and Sincich method what is the Q1 of 3,4,5,3,4,6? a) 3 b) 4 c) 5 d) 6 4) Using Tukey's method, what is the Q3 of the data 10, 12, 13, 16, 22, 25, 27, 29, 30 a) 27 b) 28 c) 28.5 d) 29 5) Using Mendenhall and Sincich method, where is 7th decile located in the data 10, 12, 13, 16, 22, 25, 27, 29, 30?  a) 5th b) 6th c) 7th d) 8th 6) Which of the following are higher than P20? a) D4 b) Q1 c) Q2 d) P10 7) In a test, Paul's score is located in the 3rd quartile. What is the meaning of this? a) Paul scored 25 points higher than the others b) Paul scored better than 25% of his classmates c) Paul surpassed 75% of his classmates d) Paul scored 75 points.  8) In Mendenhall and Sincich method, what will you do if the quantile position is higher than 50%? a) Round Up b) Round Down c) Get the decimal part d) Subtract the numbers between the quantile positions. 9) For two points: Use linear interpolation to find the P55 of the data 10, 12, 13, 16, 22, 25, 27, 29, 30 a) 25.1 b) 23.5 c) 24.01 d) 24.5

Quiz on Ungrouped data

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النمط البصري

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