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Exam (elaborations)

PSTAT 5LS MIDTERM 2 EXAM 2025 QUESTIONS AND ANSWERS

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PSTAT 5LS MIDTERM 2 EXAM 2025 QUESTIONS AND ANSWERS

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PSTAT
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PSTAT

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PSTAT 5LS MIDTERM 2 EXAM 2025
QUESTIONS AND ANSWERS


Central Limit theory (case 1) - ....ANSWER ...-Large sample, is taken from a

population with any type of distribution that has a mean mew and std dev sigma

-sample means will have a normal distribution


Central limit theory (second case) - ....ANSWER ...-If a sample of any size is taken

from a population with a normal distribution with mean mew and std dev sigma

-the dist of means of sample size n will be normal


Population mean - ....ANSWER ...-


Sample mean - ....ANSWER ...-


Mean of sample means - ....ANSWER ...-


Standard deviation of sample means - ....ANSWER ...-


Sampling distributions - ....ANSWER ...-the probability distribution of a statistic


Rules for sampling distribution - ....ANSWER ...--for samples size n=30+ the

distribution of the sample means can be approximated by a normal distribution

-check binomial criteria


sample proportion - ....ANSWER ...-



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