9) The following results were obtained in the determination of Vitamin E mass in tablet samples. Sample 1 4. Weight of Vitamin E (mg) 249.1 249.9 251.2 250.2 244.8 251.0

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9) The following results were obtained in the determination of Vitamin E mass in
tablet samples.
Sample
2
3
4
Weight of Vitamin
E (mg)
249.1
249.9
251.2
250.2
244.8
251.0
Determine whether any data should be rejected or not at 90 % confidence
level.
Calculate the mean and standard deviation of the data set above.
Express the mean weight of vitamin C at 99 % confidence interval.
i.
Transcribed Image Text:9) The following results were obtained in the determination of Vitamin E mass in tablet samples. Sample 2 3 4 Weight of Vitamin E (mg) 249.1 249.9 251.2 250.2 244.8 251.0 Determine whether any data should be rejected or not at 90 % confidence level. Calculate the mean and standard deviation of the data set above. Express the mean weight of vitamin C at 99 % confidence interval. i.
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