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This is an MCQ based on the Concepts of Statistics.
Which includes the concepts of the grouped frequency distribution, the measure of central tendency, mean, median, and mode.
The class mark of the class 90-130 is:
The range of the data: 25, 81, 20, 22, 16, 6, 17,15,12, 30, 32, 10, 91, 8, 11, 20 is
In 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:
The width of each of five continuous classes in a frequency distribution is 5 and the lower class-limit of the lowest class is 10. The lower class-limit of the highest class is:
Let m be the mid-point and 1 be the lower class limit of a class in a continuous frequency distribution. The upper class limit of the class is:
In a grouped frequency distribution, the class intervals are 0-10, 10-20, 20-30, .., then the class width is
Class mark of a class interval U-L is
Which of the following is not a measure of central tendency?
Given the class intervals 1-10, 11-20, 21-30, ___, then 20 is considered in class
A student collects information about the number of school going children in a locality consisting of a hundred households. The data collected by him is
The ratio of the sum of observations and the total number of observations is called:
The mean of x+2, x+3, x+4 and x-2 is:
The median of the data: 4, 6, 8, 9, 11 is
The median of the data: 155, 160, 145, 149, 150, 147, 152, 144, 148 is
The mode of the given data: 4, 6, 5, 9, 3, 2, 7, 7, 6, 5, 4, 9, 10, 10, 3, 4, 7, 6, 9, 9 is;
