The wingspans of a common species of housefly are normally distributed with a mean of 5mm and a standard deviation of 0.5mm. Sup

Question

2 years ago

5

The wingspans of a common species of housefly are normally distributed with a mean of 5mm and a standard deviation of 0.5mm. Sup

pose that a biologist regularly collects random samples of 20 of these houseflies and calculates the sample mean wingspan from each sample.
What will be the shape of the sampling distribution of the sample mean wingspan?

Mathematics

1 answer:

Anuta_ua [19.1K] · Answer 1 · 2023-06-06T00:33:56+03:00

Anuta_ua [19.1K]2 years ago

6 0

Answer:

Approximately Normal

Step-by-step explanation:

Since the population is normally distributed, the sampling distribution of the sample mean will also be normally distributed, even when the sample size is small.