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statastics
Fichas del conjunto (11)
- 1how can you find range of data given?highest observation -lowest observation
- 2find range 5,1,3,1,2,3,4,5,4,5-1=4
- 3what is the difference between bar graph and histogram?A bar graph is the graphical representation of categorical data using rectangular bars where the length of each bar is proportional to the value they represent. A histogram is the graphical representation of data where data is grouped into continuous number ranges and each range corresponds to a vertical bar.
- 4how can we find the class mark?upper limit+lower limit /2
- 5what is the class mark?the average of the upper and the lower class limits.
- 6how can you define class size?Difference between the true upper limit and true lower limit of a class interval is called as class size.
- 7how can we find class size?class size=actual upper limit - actual lower limit.
- 8The class mark of the class 90-130 is: (a) 90 (b) 105 (c) 115 (d) 110(d) 110
- 9In a frequency distribution, the mid value of a class is 10 and the width of the class is 6. The upper limit of the class is: (a) 6 (b) 7 (c) 10 (d) 13(d) 13
- 10What is the median of the data 78, 56, 22, 34, 45, 54, 39, 68, 54, 84? (a) 54 (b) 53 (c) 55 (d) 51(a)54
- 11the class mark of interval x-y is?x+y/2
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- Descripción
- Fichas sobre statastics, creado por aakanksha bhardwaj el 26/08/2021.
- Creado por
- aakanksha bhardwaj
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