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Class Frequency

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Q: In a frequency distribution what is the number of observation in a class called?
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What is grouping of data into classes giving the number of observation in each class?

frequency distribution


What is the formula in finding the frequency distribution?

The frequency distribution usually refers to empirical measurement and there is no formula for finding it. You simply count the number of times an observation falls within a given range.


What is the difference of frequency distribution and relative frequency distribution?

A frequency distribution lists each value in the distribution and the number times it appears, while a relative frequency distribution reports the proportion of cases reporting each value


How is a frequency distribution converted to a relative frequency distribution?

The relative frequency of a class is the frequency of the class divided by the total number of frequencies of the class and is generally expresses as a percentage.


What is the definition of the number of occurrences in a class?

Frequency Distribution


Type of observation that deals with a number?

An observation that deals with a number or amount is called a quantitative observation. An observation that deals with descriptions is called a qualitative observation.


What is the number of observation that given by class interval call?

It s the frequency for the class.


A frequency distribution is a way to describe numerical data categorically?

Frequency distribution a mathematical function showing the number of instances in which a variable takes each of its possible values.False


Is a frequency distribution a way to describe numerical data categorically?

Frequency distribution a mathematical function showing the number of instances in which a variable takes each of its possible values.False


What is commulative frequency distribution?

The cumulative frequency distribution for a value x of a random variable X, is a count of the number of observations in which X is less than or equal to x. The cumulative frequency distribution for a value x of a random variable X, is a count of the number of observations in which X is less than or equal to x. The cumulative frequency distribution for a value x of a random variable X, is a count of the number of observations in which X is less than or equal to x. The cumulative frequency distribution for a value x of a random variable X, is a count of the number of observations in which X is less than or equal to x.


Why the width of frequency distribution is always an odd number?

It is not! It can be odd, even or a mix.


Number of waves passing in a second?

That is called the frequency of the wave.That is called the frequency of the wave.That is called the frequency of the wave.That is called the frequency of the wave.