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How do you find out the cumlative frequancy?
Cumulative frequency is found by adding the frequency of each class interval to the sum of the frequencies of all previous intervals. To calculate it, you start with the first interval, where the cumulative frequency is simply the frequency of that interval. For subsequent intervals, you add the frequency of the current interval to the cumulative frequency of the previous interval. This process continues until all intervals are accounted for, resulting in a cumulative frequency distribution.
A what uses bars to represent the frequency of data that have been organized in intervals?
If the intervals are of different width, then it is a histogram.
What table is used to group data into intervals?
Frequency Distribution Table
How do you complete a cumulative frequency table?
To complete a cumulative frequency table, start by organizing your data in a frequency table, listing the class intervals and their corresponding frequencies. Then, calculate the cumulative frequency for each class interval by adding the frequency of the current interval to the cumulative frequency of the previous interval. Continue this process down the table until all intervals are included, ensuring that the last cumulative frequency equals the total number of observations. Finally, verify that your cumulative frequencies are in non-decreasing order.
How do you get the missing values in the cumulative frequency table when only the class intervals are given?
hi my name is Emma
What do the intervals in a frequency chart have to be?
Usually the intervals in a frequency chart should be equal.
Can frequency table have overlapping intervals?
No.
A what uses bars to represent the frequency of data that have been organized in intervals?
If the intervals are of different width, then it is a histogram.
Why are unequal intervals used in a frequency distribution?
The most important thing in creating intervals for a frequency distribution is that the intervals used must be non-overlapping and contain all of the possible observations. They are often equal intervals, but sometimes unequal ones are used. It all depends on the data.
Can you use a histogram to make a frequency table with intervals?
Yes, you can.
What table is used to group data into intervals?
Frequency Distribution Table
A bar graph that shows the frequency data within equal intervals?
a histogram
How often does something have to occur to be periodic?
Something is considered periodic if it occurs at regular intervals with a consistent pattern. The frequency and intervals of occurrence may vary, but there should be a clear, predictable repetition of the event for it to be considered periodic.
How do you complete a cumulative frequency table?
To complete a cumulative frequency table, start by organizing your data in a frequency table, listing the class intervals and their corresponding frequencies. Then, calculate the cumulative frequency for each class interval by adding the frequency of the current interval to the cumulative frequency of the previous interval. Continue this process down the table until all intervals are included, ensuring that the last cumulative frequency equals the total number of observations. Finally, verify that your cumulative frequencies are in non-decreasing order.
Is it true or false that in frequency modulations the frequency of the carrier signal is modified by the application of the data signal?
True.
How do you get the missing values in the cumulative frequency table when only the class intervals are given?
hi my name is Emma
Is it true that information can be carried on a carrier wave by changing or modulating either the amplitude or frequency?
in frequency modulation, frequency of carrier signal changes. so frequency variations of carrier convey all the information in frequency modulation.
