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Triss [41]
3 years ago
7

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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