Asked by Martha Lucia on Jun 26, 2024
Verified
During a water shortage, a water company randomly sampled residential water meters in order to monitor daily water consumption. On a particular day, a sample of 100 meters showed a sample mean of 250 gallons and a sample standard deviation of 50 gallons. Provide a 90% confidence interval estimate of the mean water consumption for the population.
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Water Consumption
The amount of water utilized by individuals, households, or groups for drinking, sanitation, cooking, and other purposes.
Confidence Interval
A span of numerical outcomes obtained from statistical analysis of a sample, which probably includes the value of a parameter from the entire population that is not known.
Sample Standard Deviation
A statistic that measures the dispersion or variability of a sample set of data points from its mean.
- Build and decipher confidence intervals for means of populations.
- Comprehend the principle of sampling distribution and its significance in the context of hypothesis testing.
Verified Answer
SM
Learning Objectives
- Build and decipher confidence intervals for means of populations.
- Comprehend the principle of sampling distribution and its significance in the context of hypothesis testing.