You weigh a group of eight kittens for 6 days and get the following data (in lb.):
1.6, 1.4, 1.1, 1.8, 1.3, 1.8, 1.2, 1.4
Select the correct average weight. Round your answer to one decimal place.
Answer:
1.5 lb
Answers for the whole quiz:
1: Ruby measures the heights of several species A, B, C, and D plants for a week under the same conditions and finds journal articles that describe the growth rates of each species.
2: 1.2
3: average plant height ||||| number of days
4: A horse is the same size as its parents and shorter than other horses of the same breed that it lives with on a farm
5: 1.5 lb
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3. Corrects answer: average change in plant height divided by number of days
Well, it looks like these kittens are packing on the pounds! They must be eating a lot of mice and getting plenty of catnaps. After doing some quick math (which I'm not really qualified for), the correct average weight of these eight kittens is indeed 1.5 lb. So it seems they're all pretty close to being purr-fectly weighed!
To find the average weight of the group of eight kittens, you need to add up all the weights and then divide by the total number of kittens.
Let's add up the weights:
1.6 + 1.4 + 1.1 + 1.8 + 1.3 + 1.8 + 1.2 + 1.4 = 11.6
Now, we divide the sum by the total number of kittens (which is 8):
11.6 / 8 = 1.45
To round the answer to one decimal place, we look at the digit after the first decimal place, which is "5". Since the digit after "5" is less than 5, we round down the previous digit to 1.4.
Therefore, the correct average weight of the group of eight kittens is 1.4 lb.