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

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:

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Treat this as an srs use it to provide a 95 confidence : here is data on the age in months that 20 children said their first words of

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