Therefore ,Based on this sample, of 90% confidence interval that Hot'n Now doughnuts will remain fresher for an additional 1.1 to 2.4 days than Sugar Yum doughnuts.
<h3>What is confidence interval ?</h3>
An estimation range for an unknowable parameter is referred to as a confidence interval in frequentist statistics. The most popular confidence level is 95%, but other levels, such 90% or 99%, are occasionally used for computing confidence intervals.
Here,
Given: random sample of 100 boxes of each brand
The difference of the means,μhn−μsy had a 90% confidence interval that was calculated as follows: (1.1,2.4).
Therefore,
Based on this sample, we are 90% confidence interval that Hot'n Now doughnuts will remain fresher for an additional 1.1 to 2.4 days than Sugar Yum doughnuts.
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