Population has normal distribution with a mean

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  This sample was selected from a population with a standard deviation of ơ=20. 13. The mean for a sample of n=16 scores has an expected value of 50. This sample was selected from a population with a mean of µ=50. 14.

• Multiple choice questions

  If a random sample of n cases is drawn from a population with mean  and standard deviation  , then the sampling distribution of the mean (the distribution of all possible means for samples of size n) 1) has a mean equal to the population

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  a. for a large n, it says the population is approximately normal. b. for any population, it says the sampling distribution of the sample mean is approximately normal, regardless of the sample size.

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• Statistics of Doctor Appointment with a New Patient

  The amount of time a doctor spends in an appointment with a new patient has a mean minutes and standard deviation minutes. The distribution of times is not normal.

• Describe the properties of a normal distribution.

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• Prob/Stats Questions

  Discuss the shape of the normal curve. 4. Define "confidence level" in estimating mu, the population mean. The total area under a probability distribution graph is equal to 1. The normal distribution is a probability distribution.

• distribution of sample means, deviation, sample size, random selection

  M =63 for a sample of n= 64 scores 14. The population of IQ forms a normal distribution with a mean of µ =100 and a standard deviation of Ï? = 15.

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  By central limit theorem, sample mean has approximately normal distribution with mean=1.60 kg and standard deviation=0.12/sqrt(12)=0.03 C) Construct a graph of the normal population distribution and the two sampling distributions for brain weights.