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Unit sales for new product ABC have varied in the first seven months of this year as follows Jan Feb Mar Apr May Jun Ju

Unit sales for new product ABC have varied in the first seven months of this year as follows

Jan Feb Mar Apr May Jun Ju

432 168 192 417 272 386 410

What is the (population) variance of the data?

Please round your answer to the nearest integer.

Note that the correct answer will be evaluated based on the full-precision result you would obtain using Excel.

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