Question: 1.30 Mobile data costs A study is conducted by the Australian Communications and Media Authority. Based on a small sample of 19 mobile communications plans

1.30 Mobile data costs A study is conducted by the Australian Communications and Media Authority. Based on a small sample of 19 mobile communications plans offered, the average cost per 1000 MB of free monthly mobile data allowance is found to be $5.40, with a margin of error of $2.16. Explain how this margin of error provides an inferential statistical analysis.

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