Solution Found!
Water! A blogger claims that U.S. adults drink an average of five 8-ounce glasses of
Chapter 9, Problem 82(choose chapter or problem)
Water! A blogger claims that U.S. adults drink an average of five 8-ounce glasses of water per day. Skeptical researchers ask a random sample of 24 U.S. adults about their daily water intake. A graph of the data shows a roughly symmetric shape with no outliers. The figure below displays Minitab output for a one-sample t interval for the population mean. Is there convincing evidence at the 10% significance level that the bloggers claim is incorrect? Justify your answer.
Questions & Answers
QUESTION:
Water! A blogger claims that U.S. adults drink an average of five 8-ounce glasses of water per day. Skeptical researchers ask a random sample of 24 U.S. adults about their daily water intake. A graph of the data shows a roughly symmetric shape with no outliers. The figure below displays Minitab output for a one-sample t interval for the population mean. Is there convincing evidence at the 10% significance level that the bloggers claim is incorrect? Justify your answer.
ANSWER:Step 1 of 2
Determine the hypotheses
Given confidence interval: