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kendrawalraven
10.06.2021 •
Mathematics
Naglunsad ng green revolution
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Ответ:
Ответ:
Step-by-step explanation:
Confidence interval is constructed to provide an estimated for an unknown population parameter such as the mean and sometimes, the standard deviation. It is expressed as
Sample mean ± margin of error
From the confidence interval given, the lower boundary is 76.6 grams while the upper boundary is 90.1 grams. Therefore,
It means that we are 95% confident that the mean weight of all clementines at the store lies between 76.6 grams to 90.1 grams. Also, 95% of the confidence intervals constructed in this way would contain the true value for the population mean weight of all clementines at the store.