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PI) For the data set on the attached page. salculate the proper value to report (mean value standard uncertainty). Dont forget to include units in your final answer (calculate the standard uncertainty as the standard deviation of the mean): P2) Report the number that you calculated in P1 with a confidence level of ~95% and also >99%:
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Answer #1

For the given data

923.445
917.7535
922.7979
918.6844
918.8262
920.1117
917.6649
915.1117
918.6578
921.211
918.8174
917.7801
918.4539
920.5284
924.4911
926.1401
920.1915
928.6224
928.9061
917.5408
920.0496
918.5514
920.3599
918.6932
920.5815
918.9503
919.3138
924.633
924.6241
917.851
920.555
941.8671
922.8067
919.1808
921.0425
916.6454
922.6028
916.0691
919.4291
918.8528


the averageis given by
920.9599 mPa s
and the standard deviation is given by 4.604327 mPa s

using the confidence fuciton in excel
2. for 95% confidence
   confidence interval = 920.9599 mPa s +- 1.42687 mPa s

for 99% confidence
   confidence interval = 920.9599 mPa s +- 1.875224 mPa s

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