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The data shown to the right represent the age (in weeks) at which babies first crawl, based on a survey of 12 mothers. Complete parts
The data shown to the right represent the age (in weeks) at which babies first crawl, based on a survey of 12 mothers. Complete parts (a) through (c) below. 52 30 44 35 47 37 56 26 30 30 37 44(c) Construct and interpret a 95% confidence interval for the mean age at which a baby first crawls. Select the correct choice and fill in the answer boxes to complete your choice. (Round to one decimal place as needed.) O A. The lower bound is weeks and the upper bound is weeks. We are 95% confident that the mean age at which a baby first crawls is within the confidence interval. O B. The lower bound is weeks and the upper bound is weeks. We are 95% confident that the mean age at which a baby first crawls is outside of the confidence interval
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