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Final Test Review

# Final Test Review - ECM Test Review Topics may be tested 1...

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ECM Test Review Topics may be tested: 1. Plot histogram and calculate summary statistics. 2. Use scatter graphs to analyze relation between two variables. Add trendlin ( l i n e a r , l o g a r i t h m i c , e x p o n e n t i a l ) , e q u a t i o n a n d R - s q u a r e d v a l u e i n s c a t plots. 3. Calculate the normal/t accumulative distribution. Given a probability, calculate the value of a normally/t distributed random variable. 4. T e s t t h e p o p u l a t i o n m e a n w h e n t h e p o p u l a t i o n v a r i a n c e i s k n o w n . T p o p u l a t i o n m e a n w h e n t h e p o p u l a t i o n v a r i a n c e i s u n k n o w n . I results. 5. T e s t t h e d i f f e r e n c e b e t w e e n t w o p o p u l a t i o n m e a n s , population variances. 6. Run a multiple linear regression in Excel. Explain regression outputs, including R - s q u a r e , a d j u s t e d R - s q u a r e , s t a n d a r d e r r o r , e t c . R u n h y p o estimated coefficients and report confidence intervals. Interpret the estimat c o e f f i c i e n t . C h e c k i f t h e m o d e l i s v a l i d . ( T h a t i s , t e s t i f t h e m o d e l h a s

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