1. The following data are ages of infants (in months) at which they walked alone. These sample data were obtained from two populations, A and B. Sample A 9.8 11 9.5 9.8 10 13 10 14 10 9 10 9.5 Sample...

Extracted text: 1. The following data are ages of infants (in months) at which they walked alone. These sample data were obtained from two populations, A and B. Sample A 9.8 11 9.5 9.8 10 13 10 14 10 9 10 9.5 Sample B 12 9.5 9.5 14 12 14 13 12 12 14 14 13 Compare the two groups as their mean, median, mode, and midrange. Central tendency B Mean median mode(s) midrange