Answer:
The sample mean is obviously different from the population mean, but tests of significance must be done to determine if the difference is statistically significant. The difference could possibly be attributed to chance or to sampling error.
Explanation:
pls mark me as brainleast and folow me
The answer is A. The ratio goes down as the size of the cell gets larger.
Answer: you test and use your knowledge
Explanation: i got it right
