另 The data shown below represent the age (in weeks) at which babies first crawl, based on a survey of 12 mothers. Comple

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另 The data shown below 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 35 30 54 54 exceeds 左 EX 20 30 40 50 60 Age (in weeles) 20 30 40 50 60 Age (in weeks) 20 30 40 Age (in we 40 50 60 weeks) does not exceed the critical value it Since the correlation between the expected 2-scores and the observed data, . reasonable to conclude that the data come from a population that is normally distributed (Round to three decimal places as needed.)