Statistic Project Essay
Purpose of this Project,to find out the releationship between population and the square of countries is tried to be understood.
This Project includes 129 observations and 30 samples.We tested with 95% cofidence interval
Step 1:State null and alternate hypotheses
Step 2:Select a level of significance
Step 3:Identify the test statistic
Step 4:Formulate a decision rule
Step 5:Take a sample,arrive at a decision
Step 1 Hypothesis Test:
Ho:The average population of countries is equal or less than 39.786.098
H1:The average population of countries is more than 39.786.098
Step 2The significance level is 0.05
Step 3Because the sample is 30,z distribution has been used
Step 4Reject Ho if z>1.96 or z<1.96 or if …show more content…
Population Descriptive Statistics:
Column1    Mean  39786098,5  Standard Error  14001122,25  Median  6508271  Mode  #YOK  Standard Deviation  159022180  Sample Variance  2,52881E+16  Kurtosis  55,5365861  Skewness  7,327371857  Range  1336687476  Minimum  30539  Maximum  1336718015  Sum  5132406706  Count  129  Confidence Level(95,0%)  27703612,09 
To find out column 1’s elements,we used descriptive statistic for population
Formuller yazılacak buraya 
Regression Analysis of Population and Sample SUMMARY OUTPUT                    Regression Statistics          Multiple R  0,53126          R Square  0,282237          Adjusted R Square  0,276585         …

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