Given a normally distributed population with a mean of 25 and a variance of 400, the distribution of ample means computed from samples of size 100 from that population will have a mean of ______ and a standard error of _____.     25 and 2     25 and 4     25 and 20     25 and 400     none of these

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Given a normally distributed population with a mean of 25 and a variance of 400, the distribution of ample means computed from samples of size 100 from that population will have a mean of ______ and a standard error of _____.
   
25 and 2
   
25 and 4
   
25 and 20
   
25 and 400
   
none of these
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