QUESTION 9 A sample of 15 pneumatic thermostats intended for use in a centralized heating unit has an average output pre

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QUESTION 9 A sample of 15 pneumatic thermostats intended for use in a centralized heating unit has an average output pre

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Question 9 A Sample Of 15 Pneumatic Thermostats Intended For Use In A Centralized Heating Unit Has An Average Output Pre 1
Question 9 A Sample Of 15 Pneumatic Thermostats Intended For Use In A Centralized Heating Unit Has An Average Output Pre 1 (23.08 KiB) Viewed 74 times
QUESTION 9 A sample of 15 pneumatic thermostats intended for use in a centralized heating unit has an average output pressure of 9 psi and a standard deviation of 1.5 psi. Assuming the data may be treated as a random sample from a normal population, determine a 90% confidence interval for the actual mean pressure of the thermostat. Lower Limit Upper Limit
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