Treat this as an srs use it to provide a 95 confidence

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Reference no: EM13626337

Here is data on the age (in months) that 20 children said their first words of English.

15 26 10 9 15 20 18 11 8 20
7 9 10 11 11 10 12 17 11 10

Treat this as an SRS. Use it to provide a 95% confidence interval of the mean age in months at which children say their first words.

Lower confidence level:

Upper confidence level:

Reference no: EM13626337

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