Dongletech Ltd

Dongletech Ltd manufactures Bluetooth USB dongles for use in general computing. Class 1 dongles have a maximum allowed radiative power of +20dBm, and so are capable of transmitting over 100 metres in free space. A random sample of ten Class 1 dongles was taken, and their transmit power measured, using a spectrum analyser. The results are as follows; 

Produce a tally chart showing the frequency of measured transmit powers
Produce a cumulative frequency distribution curve for this data set.

Please see the attached document for all questions you need to answer. Please complete all of unit 1-analytical methods for engineers at distinction level – this is A1, A2, A3 and A4.
Unit 1 – Analytical Methods for Engineers (L4)

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