Find standard error of mean if rainfall recorded twenty

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Reference no: EM13150703

The daily rainfall experienced by Soaking City has been recorded on 10 randomly selected days throughout the year. This process has been repeated for every possible combination of 10 days in a year. The standard error of the mean has been calculated and is equal to 0.429 inches.

If the rainfall was recorded on 20 (instead of 10) randomly selected days throughout the year, the standard error of the mean would be equal to?

Reference no: EM13150703

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