A chemist made eight independent measurements of the melting point of tungsten. She
Chapter 5, Problem 8(choose chapter or problem)
A chemist made eight independent measurements of the melting point of tungsten. She obtained a sample mean of 3410.14 degrees Celsius and a sample standard deviation of 1.018 degrees.
Use the Student’s t distribution to find a \(95 \%\) confidence interval for the melting point of tungsten.
Use the Student’s t distribution to find a \(98 \%\) confidence interval for the melting point of tungsten.
If the eight measurements had been 3409.76, 3409.80, 3412.66, 3409.79, 3409.76, 3409.77, 3409.80, 3409.78, would the confidence intervals above be valid? Explain.
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95%
98%
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