The answer is "Design B bulbs will likely last longer than design A bulbs."
The box in a box plot represents the middle 50% of the data. The box for the design B bulbs is farther out than the box for the design A bulbs. Therefore, design B bulbs last longer on average than design A bulbs.
Answer:

Step-by-step explanation:
<u>Formula:</u> 




Answer:
1
Step-by-step explanation:
-20 divided by -2 is the same as 20 divided by 2, which is 10. 11-10=1 so the answer is 1.
Scale factor is 2
30/15 = 2
20/10 = 2
Answer:
standard
Step-by-step explanation: