Least: 8 (length) x 1(width) = 8
Greatest: 5 (length x 4 (width) = 20
The difference between them: 20 - 8 = 12<span />
Answer:

Step-by-step explanation:
represents the critical value,
represents the sample standard deviation, and
represents the sample size.
Answer:
f
Step-by-step explanation: