The standard error of the mean for a sample size of 10 is enter your response here. ​(Round to two decimal places as​ needed.) Part 2 ​b) The standard error of the mean for a sample size of 40 is enter your response here. ​(Round to two decimal places as​ needed.) Part 3 ​c) The standard error of the mean for a sample size of 70 is

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For a population with a mean equal to 250and a standard deviation equal to 30​,
calculate the standard error of the mean for the following sample sizes.
 
​a) 10
​b)40
​c)70
 
 
 

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Part 1
​a) The standard error of the mean for a sample size of 10 is
enter your response here.
​(Round to two decimal places as​ needed.)
Part 2
​b) The standard error of the mean for a sample size of 40 is
enter your response here.
​(Round to two decimal places as​ needed.)
Part 3
​c) The standard error of the mean for a sample size of 70 is
enter your response here.
​(Round to two decimal places as​ needed.)
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