The following data represent the age (in weeks) at which babies rst crawl based on a survey

The following data represent the age (in weeks) at which babies first crawl based on a survey of 12 mothers conducted by Essential Baby. Construct and interpret a 95% confidence interval for the mean age at which a baby first crawls. Use the normal probability plot and boxplot to assist in verifying the model requirements.

Transcribed Image Text:

39 52 47 Source: www.essentialbaby.com 30 35 26 37 56 26 39 28 25 30 35 40 45 50 55 60 Age (in weeks)