Mathematics, 20.03.2020 05:38, Coolcatfurzy
The shipping times for warehouses in an industry are normally distributed with an unknown population mean and standard deviation. A random sample of 37 warehouses is taken and results in a sample mean of 42 minutes and sample standard deviation of 5 minutes. df...3536373839t0.10…1.3061.3061.30 51.3041.304t0.05…1.6901.6881.6871.6 861.685t0.025…2.0302.0282.0262.0242 .023t0.01…2.4382.4342.4312.4292.426 t0.005…2.7242.7192.7152.7122.708 Find a 95% confidence interval estimate for the population mean using the Student's t-distribution. Round the final answers to two decimal places.
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Mathematics, 21.06.2019 21:30, peytonamandac9114
Ahypothesis is: a the average squared deviations about the mean of a distribution of values b) an empirically testable statement that is an unproven supposition developed in order to explain phenomena a statement that asserts the status quo; that is, any change from what has been c) thought to be true is due to random sampling order da statement that is the opposite of the null hypothesis e) the error made by rejecting the null hypothesis when it is true
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