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The population standard deviation (σ)

A simple random sample of size 15 has mean x=41.8 and the population standard deviation is o=3.72. The population is normally
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When estimating a population mean, you must use t procedures rather than normal curve procedures when:A. the standard deviation
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The mean of a sample of 25 was calculated as xbar = 500. The sample was randomly drawn from a population whose standard
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2. asked by Joe
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A population has a mean of 17 with a standard deviation of 2. A sample of 50 items from that population has a mean of 16.5 with
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An unknown population X has a mean of 128 and a standard deviation of 32. A random sample of size n=64 are drawn from the
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The standard deviation of given population is 4.5 with a mean of 60 and the refit population has a standard deviation of 5.2
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2. asked by Ray
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A simple random sample of size 15 has mean x=14.3 and the standard deviation is s=2.45. The population is not approximately
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Select the correct answer.Which measure is the same as the standard error of the mean? A. standard deviation of the population
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2. asked by willie
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. A population has a mean of μ=35 and a standard deviation of σ=5. After 3 points are added toevery score in the population,
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2. asked by gashu
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A study found that citizens spend on average $1950 per year on groceries with a standard deviation of $100. Assume that the
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2. asked by Cam
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