İST209U
İSTATİSTİK I
5. Ünite
Soru 1
Data : 4, 4, 5, 5, 5, 15, 15, 18, 19, 15, 4, 5, 14, 14, 17, 17, 26, 26, 22, 22. What is the range of these data ?
Soru 2
Data : 0.2, 0.5, 0.17, 0.22, 0.26, 0.34, 0.39, 0.44, 0.55, 0.87, 1.1, 1.14, 2.5, 2.9, 4.4, 5.6. What is the 80th percentile of these data ?
Soru 3
Data format : (class, class interval, frequency, cumulative frequency) ; data : (1, 100 up to 200, 5, 5), (2, 200 up to 300, 10, 14), (3, 300 up to 400, 16, 30), (4, 400 up to 500, 20, 50), (5, 500 up to 600, 10, 60) ; what is the 40th percentile of these data ?
Soru 4
Data : 1.000, 1.000, 1.200, 1.200, 1.200, 1.400, 1.400, 1.500, 1.500, 1.500, 1.600, 1.600, 1.800, 1.800, 1.800, 2.000, 2.000, 2.500, 2.500, 2.500. What is the IQR of these data ?
Soru 5
Data : 100, 120, 120, 180, 200. What is the sample standard deviation of these data ?
Soru 6
Data format : (class interval, frequency) data : (100 up to 120, 1), (120 up to 180, 2), (180 up to 200, 1), (200 up to 250, 1). What is the sample standard deviation of these data ?
Soru 7
Data : 20, 12, 16, 12, 10 ; what is the Pearson’s coefficient of skewness of these data ?
Soru 8
Data : 20, 12, 16, 12, 10 ; what is the standard coefficient of skewness of these data ?
Soru 9
Which one of the following ones is included in a box plot ?
Soru 10
Data : 12, 16, 10, 20, 12 ; what is the mean deviation of these data ?