Find the sample variance and standard deviation 22, 15, 2, 6, 12

Assessment includes a. interviews, recorded conversations, videos, frequency counts, and time samples. b. formal standardized tests and developmental screening tools. c. various types of documented observations, documentation of child work, checklists, rating scales, and standardized tests. d. anecdotal notes, narratives or daily records, daily health checks, and teacher observation checklists.

Class iii atmospheric hazards are those involving

Why do you need to classify the size of a particle