Question
The Germany Dairy Industry wants to estimate the mean yearly milk consumption. A sample of 16 people reveals the mean yearly consumption to be 45
The Germany Dairy Industry wants to estimate the mean yearly milk consumption.
A sample of 16 people reveals the mean yearly consumption to be 45 gallons with a standard deviation of 20 gallons. Assume the population distribution is normal.
- What is the value of the population mean? What is the best estimate of this value?
- Explain why we need to use the t distribution. What assumption do you need to make?
- For a 90% confidence interval, what is the value of t?
- Develop the 90% confidence interval for the population mean.
- Would it be reasonable to conclude that the population mean is 48 gallons?
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Core Connections Algebra 2
Authors: Leslie Dietiker, Judy Kysh, Tom Sallee, Brian Hoey
Student Edition
1603281150, 978-1603281157
