Answer: average = 4
standard deviation = 0.38
<u>Step-by-step explanation:</u>
Average (aka Mean) = (4 + 3.5 + 4.5 + 4.2 + 3.8)/5 = 20/5 = 4
Answer:
M < or = -20
Step-by-step explanation:
Brainlist please
Answer:25.50
Step-by-step explanation:
Because .50 is in the hundreths, and it rounds up to that because it is above 5.