Question

the arithmetic mean of data is equal to ​

Answer 1

Answer:

The arithmetic mean is defined as the ratio of the sum of all the given observations to the total number of observations. For example, if the data set consists of 5 observations, the arithmetic mean can be calculated by adding all the 5 given observations divided by 5..

Step-by-step explanation:

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Answer 2

Answer:

Please note that the values of charge and mass of the residual particles are of protons when hydrogen gas is enclosed in the discharge tube. In case some other gas is enclosed, then the positive residues differ in the values of mass and charge. This means that unlike electron, a proton is not a universal particle.