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Given the class intervals 0-10, 10-20, 20-30,…, then 10 is considered in class
- a)0-20
- b)10-30
- c)0-10
- d)10-20
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
Given the class intervals 0-10, 10-20, 20-30,…, then 10 is cons...
In a grouped frequency distribution, each data point is assigned to a specific class based on its value. The class intervals are defined by the upper and lower limits of each class, and any data point that falls within these limits is considered to be part of that class.
In this case, the class intervals are 0-10, 10-20, 20-30, and so on. Given this set of class intervals, the number 10 would be considered to be part of the class 10-20.
It is worth noting that the choice of class intervals can affect the shape and detail of a grouped frequency distribution. Larger class intervals tend to produce less detailed distributions with fewer classes, while smaller class intervals tend to produce more detailed distributions with more classes. The appropriate class intervals will depend on the specific characteristics of the data being analyzed and the level of detail that is desired.
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Given the class intervals 0-10, 10-20, 20-30,…, then 10 is cons...
To find the midpoint of each class interval, we can take the average of the lower and upper limits.
For the class interval 0-10, the midpoint is (0 + 10) / 2 = 5.
For the class interval 10-20, the midpoint is (10 + 20) / 2 = 15.
For the class interval 20-30, the midpoint is (20 + 30) / 2 = 25.
For the class interval 0-10, the midpoint is (0 + 10) / 2 = 5.
For the class interval 10-20, the midpoint is (10 + 20) / 2 = 15.
For the class interval 20-30, the midpoint is (20 + 30) / 2 = 25.
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