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H0602x H0602x
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6 years ago
In a 95 percent confidence interval:
 
  a. The 95 percent is the confidence level.
  b. Shows that there is a 95 percent probability that the true population mean falls somewhere between plus and minus 1.96 standard errors of the sample mean.
  c. There is a .05 probability of the confidence interval being wrong.
  d. All of these.


The paired-samples t-Test is used when the two groups of values that we want to compare are connected or related to each other in some way.
 
  Indicate whether the statement is true or false


The standard error:
 
  a. Equals the standard deviation of the sample divided by the square root of the sample size.
  b. Equals the standard deviation of the population divided by the standard deviation of the sample.
  c. Equals the standard deviation of the sample multiplied by the square root of the sample size.
  d. Equals the standard deviation of the sample divided by the sample size.
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elana1980elana1980
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6 years ago
This site is awesome
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