Asked by Deanna Chernioglo on Jun 08, 2024
Verified
A race car driver tested his car for time from 0 to 60 mph, and in 20 tests obtained an average of 48.5 seconds with a standard deviation of 1.47 seconds. A 95% confidence interval for the 0 to 60 time is 4.52 seconds to 5.18 seconds.
Confidence Interval
A set of values, calculated from sample statistics, predicted to hold the value of an unobserved population parameter.
Standard Deviation
A measure of the amount of variation or dispersion of a set of values, indicating how much the values differ from the mean.
- Calculate the uncertainty range for mean values of populations based on sample analysis.
Verified Answer
SH
Sukey HuangJun 10, 2024
Final Answer :
False
Explanation :
The given information does not provide any clear indication of whether the stated confidence interval is true or false. The confidence interval may or may not be accurate based on the sample size, distribution, and assumptions.
Learning Objectives
- Calculate the uncertainty range for mean values of populations based on sample analysis.
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