Find the 90% confidence interval for the standard deviation for the time an inspector to check a bus for safety if the sample of 27 buses has a standard deviation of 6.8 minutes . assume the variable is normally distributed.

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.

Afixed resistor has the following color bands: orange, red, brown, gold. what is the rated resistance

The y-value if a data point corresponding to x1