Solution Found!
The percentage of an additive in gasoline was measured six times with the following
Chapter 4, Problem 4-11(choose chapter or problem)
QUESTION:
The percentage of an additive in gasoline was measured six times with the following results: 0.13, 0.12, 0.16, 0.17, 0.20, 0.11%. Find the 90% and 99% confidence intervals for the percentage of the additive.
Questions & Answers
QUESTION:
The percentage of an additive in gasoline was measured six times with the following results: 0.13, 0.12, 0.16, 0.17, 0.20, 0.11%. Find the 90% and 99% confidence intervals for the percentage of the additive.
ANSWER:Step 1 of 4
Mean can be calculated by the following formula;
Here,
= Percentage of an additive in gasoline
= Means summation