asked 172k views
5 votes
These are the mean weights and standard deviations for two samples of six-month-old puppies for different breeds.

Breed A’s mean weight is 42 lbs, standard deviation is 2.4 lbs.
Breed B’s mean weight is 30 lbs, standard deviation is 4.8 lbs.
Which breed has a high average weight?

asked
User Pudepied
by
8.6k points

1 Answer

5 votes

The mean weight of Breed A is higher than the mean weight of Breed B. Therefore, Breed A has a high average weight. Here's how to determine it:

Step 1: Observe the mean weights for each breed.

  • Breed A has a mean weight of 42 lbs.
  • Breed B has a mean weight of 30 lbs.

Step 2: Compare the mean weights.

  • Breed A has a higher mean weight than Breed B.
  • Breed A's mean weight is 42 lbs, while Breed B's is 30 lbs.
  • Since 42 is greater than 30, Breed A has a higher average weight than Breed B.

Therefore, Breed A has a high average weight.

The next question is, how about standard deviation? Standard deviation is the farthest difference between the data vector and the average. So, since the standard deviation of A is less than B, it supports that A also has more uniform data than B.

answered
User Luqui
by
8.3k points
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