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Sample Size, Variance and Standard

calculate standard error when sample size is 25, sample mean is 20, sample variance is 8, population mean is 22, population
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2. asked by priym
3. 557 views
Suppose we take a random sample of size n from a normal population with variance, σ2 . It can be shown that (n−1)s2/σ2 has a
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2. asked by sandy
3. 995 views
The "standard deviation of the sample score" divided by the "square root of the sample size" is the formula for computing the
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2. asked by Stacie
3. 1,132 views
two sample of size 8 and 10 are drawn from two normally distributed populations having variances 20 and 36, respectively. find
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2. asked by rani singh
3. 536 views
Sample Size, Variance and Standard DeviationA student organization plans to ask 100 randomly selected students how much they
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2. asked by Carma
3. 712 views
A sample of size 100 is taken resulting in a standard deviation of 3. Construct a 95% confidence interval for the population
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2. asked by Jewelz
3. 396 views
Samples of size n = 6 are randomly selected from 4 different binsof DVDs ranging in price from $4.99 to $9.99. You return each
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2. 34 views
A simple random sample will be obtained from a normally distributed population. Find the minimum sample size needed to be 99%
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2. asked by Lindsey
3. 751 views
Which of the following samples will have the mean closest to the population mean?(1 point)Responses a sample with a standard
1. 1 answer
2. 84 views
Which of the following samples will have the mean closest to the population mean?(1 point)Responses a sample with a standard
1. 1 answer
2. 111 views