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# What is class interval size?

Updated: 10/31/2022

Wiki User

13y ago

The class interval for each interval is the difference between its upper limit and its lower limit.

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13y ago

Anonymous

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Q: What is class interval size?
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### What is a modal class interval?

It is the class interval with most number of observations.

### How do you use class interval in a sentence?

The term class interval is used in statistics.

### How can you get the frequency of the preceding class interval when the modal class is the first class interval?

You cannot have a preceding class to the first class. There is no zeroth class.

### What is the sum of the product of the frequencies and the square of the class marks (ΣfX²60,55,40,48,52,36,50?

Step 1: Find the midpoint of each interval. Step 2: Multiply the frequency of each interval by its mid-point. Step 3: Get the sum of all the frequencies (f) and the sum of all the fx. Divide 'sum of fx' by 'sum of f ' to get the mean. Determine the class boundaries by subtracting 0.5 from the lower class limit and by adding 0.5 to the upper class limit. Draw a tally mark next to each class for each value that is contained within that class. Count the tally marks to determine the frequency of each class. What is this? The class interval is the difference between the upper class limit and the lower class limit. For example, the size of the class interval for the first class is 30 – 21 = 9. Similarly, the size of the class interval for the second class is 40 – 31 = 9.

### The suggested interval size of the class intervals for a histogram can be estimated by?

highest value-lowest value/number of classes

### Which of the following is correct for this class interval 60-less than 65?

The class interval is 5.

### What is class interval?

The class interval is the maximum possible value in the class less the maximum possible value in the class below. The second is equivalent to the minimum possible value in the class.

### Why the median changes by changing the size of class intervals in frequency ditribution?

Because median is the mid of the class intervals. Therefore, it is a positional measurement. Hence, if the size of class interval increases or decreases then the middle position will also increase or decrease and thus median.

### What is a modal class interval when it comes to statistics?

When observations are grouped into class intervals, the interval that contains the most frequently occurring value is known as the modal class.

90

### What is a sentence for class interval?

class interval - one of several convenient intervals into which the values of the variate of a frequency distribution may be grouped.