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 44 350 47 37 56 26 47 30 28 30O A. B. O C. O D. + + Expected z-score Expected z-score Expected z-score Expected z-score -2- -2- -2- 20 30 40 50 60 20 30 40 50 60 20 30 40 50 60 20 30 40 50 60 Age (in weeks) Age (in weeks) Age (in weeks) Age (in weeks)Since the correlation between the expected z-scores and the observed data, exceeds the critical value it is reasonable to conclude that the data come from a population that is normally distributed. (Round to three decimal places as needed.)