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Free frequency table GCSE maths revision guide, including step by step examples, exam questions and free worksheet.
Know the definitions, see the examples, and practice problems of Frequency Formula. Your one-stop solution for instant study helps. Learn Frequency Formula at Bytelearn.
The formula for the frequency of a wave is used to find frequency (f), time period (T), wave speed (V) and wavelength (λ). The Frequency is expressed in Hertz (Hz). Solved Example. Underneath are given some questions based on frequency formula which may be useful for you. Example 1: The light wave has a wavelength of 500 nm. Compute its frequency?
These worksheets explain how to use frequency tables to tally the frequency of numbers in a set of data and to record frequency. Sample problems are solved and practice problems are provided. They also work on how to sort data into groups in order to create simple frequency tables.
............................. (1) frequency table shows the weight, in kg, of some cats. (b) Complete the cumulative frequency table. (1) (b) On the grid opposite draw a cumulative frequency graph for this information. (c) Use your cumulative frequency graph to find an estimate for the interquartile range. (2) .............................kg. (2)
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The frequency formula is used to find the frequency of a wave. Frequency is defined as the number of cycles completed per unit time. It also tells about how many crests go through a fixed point per unit time. Sometimes it is known as reciprocal of time. Frequency is expressed in Hertz (Hz).
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When data has been grouped into class intervals, the exact data values are not known. The mean can be estimated by using the midpoint of the class interval. The midpoint is the halfway value. The modal class is the class interval with the highest frequency.