Question

When data are missing in a systematic way, you can simply extrapolate the data or impute the missing data by filling in the average of the values around the missing data.

Answer 1

hello!

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One way to handle this problem is to get rid of the observations that have missing data.

so, you will risk losing data points with valuable information.

A better strategy would be to impute the missing values.

In other words we can say that:-

we need to infer those missing values from the existing part of the data.