1. Draw a random sample of size 12 from a Poisson Population with mean 4 and calculate the sample mean.
3 answers
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1. Which of the following statements are correct?
a.A normal distribution is any distribution that is not unusual.b.The graph of a normal distribution is bell-shaped.c.If a population has a normal distribution, the mean and the median are not equal.d.The graph of a normal distribution is symmetric.
a.A normal distribution is any distribution that is not unusual.b.The graph of a normal distribution is bell-shaped.c.If a population has a normal distribution, the mean and the median are not equal.d.The graph of a normal distribution is symmetric.
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A normal distribution is bell-shaped and symmetrical.
A normal distribution is bell-shaped and symmetrical.
1 answer