Some questions about basic statistics. These questions should belong to a qualification course. 
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ID  P  Question or exercise  

4045  1  Timber volume per hectare was measured in three randomly selected sites in forested areas in Estonia. Does these measurement represent the mean per hectare timber volume in Estonian forests? 
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4046  1  What can be concluded if an empirical distribution of values differs significantly from the expected distribution of the same variable?  Open 
4047  1  What can be concluded about statistical relationship between the two variables in the total population if the linear correlation coefficient (R) calculated from an empirical sample = 0.  Open 
4048  1  What is the main difference between significance level (alpha, a) and statistical significance (pvalue, p)?  Open 