msb msa sd r 70 85 225 0.81 msb - denotes mean score before coaching, msa - denotes mean score after coaching sd - denotes sample standard deviation of the difference between individual scores r - denotes simple correlation between the scores If μ D denotes the population mean of the difference between population score before and after coaching, then H 0 : μ D =0 against H 1 : : μ D ≠0 can be tested using statistic td, where td = 'on clip' that follows student’s t distribution with n-1 degrees of freedom. Help - writing data step to create a data set with a variable decision_message that must be assigned either “H 0 is accepted” or “H 0 is rejected". The sample size (n) will be sum of all digits of ID ='bg999999' level of significance will be sum of last 4 digits ID ='bg999999' divided by 400. Define ID=’bg999999’, and extract digits from variable ID to get both n and alpha.
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