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Q: Why does the sum of all relative frequencies always equal 1?
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What is the sum of the percent frequencies for all classes will always equal?

It is always 100%.


Why is the sum of all the cumulative relative frequencies equal to 1?

By definition, the sum must be unity.


The sum of all the relative frequencies of a distribution will always add up to 1?

Yes they doHere are some properties of relative frequency:(a) The relative frequency of each outcome is a number between 0 and 1.(b) The relative frequencies of all the outcomes add up to 1..


In a population the sum of the relative frequencies of all alleles for a particular trait is?

Gene or allele frequency


The first class in a relative frequency table is 50-59 and the corresponding relative frequency is 0.2What does the 0.2 value indicate?

The sum of the relative frequencies must equal 1 (or 100%), because each individual relative frequency is a fraction of the total frequency. The relative frequency of any category is the proportion or percentage of the data values that fall in that category. Relative frequency = relative in category/ total frequency It means a number in that class appeared 20% of the total appearances of all classes


How do you do an ogive chart?

You will need endpoints of your range (for example age: 12-14, 15-17. The endpoints are 14 and 17). You will also need the cumulative total of the relative frequencies (add all relative frequencies). -To find the relative frequency = value over total (ex, age 12-14, 51 have diabetes, 90 do not. The total of those having diabetes is 3800. So for the relative frequency of ages 12-14, it is 51/3800=0.01342. Do this for all ranges). -To find the Cumulative Frequency: add all these frequencies (separate for "yes" diabetes and "no" diabetes). Use endpoints of your range for the x-axis (horizontal axis). Then use the cumulative frequencies as your y-axis (vertical axis).


What is the definition of relative social equality?

All people are equal


Are all the angles in a parellelogram equal?

All the angles in a parallelogram can be equal, but are not always.


If a polygon's sides are all equal will the interior angles be all equal?

yes always


What is the commulative property?

Cumulative is not a property. It refers counts (or frequencies) for all values less than or equal to the current value.


Opposite angles of all parallelograms are always?

opposite angles of all parallelograms are always equal.


Which figure always has equal angles and equal sides?

an equilateral triangle has all its angle and sides equal