The standard deviation of a population is 1.9.

What is the margin of error?

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Answer: Hi, the answer is the margin of error would be 19 for 2 s. d. or 18.6 for 1.96 s. d

Step-by-step explanation: The margin of error needs to be defined, but if one uses 1.96 (95% by empiric rule for normal distributions), it is 3.72. For 2 s. d, it is 3.61

The margin of error would be 19 for 2 s. d. or 18.6 for 1.96 s. d The margin of error is + / -19, for example, the interval within the margin of error would be (186, 224).