3 years ago

Brainliest + 20 points to whoever helps!!!

Mathematics

1 answer:

Darya [45]3 years ago

8 0

Answer:

D. The standard deviation is known and n > 30.

Step-by-step explanation:

Your sample size is greater than 30.
Data points should be away from each other.
Your data should be commonly categorized.
Your data should be randomly picked from a population. Each item should have an equal chance of being selected.
The sample sizes should be equal.

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