Question: Write an R program that does the following: 1. Create a vector named A. The A vector contains (1, 2, NA, NA, NA). 2. Compute

Write an R program that does the following: 1. Create a vector named A. The A vector contains (1, 2, NA, NA, NA). 2. Compute the number of missing values in A by using functions. Hint: Use functions sum() and is.na().

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