A randomized controlled trial is run to evaluate the effectiveness of a new drug for Parkinson’s Disease. A total of 100 individuals with Parkinson’s are randomized to either the new drug or placebo (50 per group).  The outcome was measured using the Unified Parkinson’s Disease Rating Scale (UPDRS). Both groups had similar baseline scores. At the end of the trial, the mean UPDRS score of those assigned to the new drug was 55.7 with a standard deviation of 8.4.  The mean score of those assigned to the placebo was 64.5 with a standard deviation of 6.3 years.  Is there a statistically significant decrease in scores with the new treatment?  Apply the two sample z test at a 5% level of significance.                                                             I am trying to figue out if this can be done in EXCEL, please provide details . I have the data analysis tool pack

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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  1. A randomized controlled trial is run to evaluate the effectiveness of a new drug for Parkinson’s Disease. A total of 100 individuals with Parkinson’s are randomized to either the new drug or placebo (50 per group).  The outcome was measured using the Unified Parkinson’s Disease Rating Scale (UPDRS). Both groups had similar baseline scores. At the end of the trial, the mean UPDRS score of those assigned to the new drug was 55.7 with a standard deviation of 8.4.  The mean score of those assigned to the placebo was 64.5 with a standard deviation of 6.3 years.  Is there a statistically significant decrease in scores with the new treatment?  Apply the two sample z test at a 5% level of significance.                                                             I am trying to figue out if this can be done in EXCEL, please provide details . I have the data analysis tool pack
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