[Solution Library] At what age do infants speak their first word of English? A simple random sample produced the following data on 20 children (ages are given in
Question: At what age do infants speak their first word of English? A simple random sample produced the following data on 20 children (ages are given in months):
| 15 | 26 | 10 | 9 | 15 | 20 | 18 | 11 | 8 | 20 |
| 7 | 9 | 10 | 11 | 11 | 10 | 12 | 17 | 11 | 10 |
Determine a 95% confidence interval for the age that infants speak their first work of English (12 points) and provide a correct interpretation of your answer (3 points) .
Deliverable: Word Document 
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