Mathematics, 05.12.2019 21:31, ronalescobar2002
Acoin-operated coffee machine made by big corporation was designed to discharge a mean of ounces ounces of coffee per cup. if it dispenses more that that on average, the corporation may lose money, and if it dispenses less, the customers may complain.
believing that the mean amount of coffee dispensed by the machine, , is less than ounces, big plans to do a statistical test of the claim that the machine is working as designed. technicians gather a random sample of fill amounts and find that the mean of the sample is ounces and that the standard deviation is ounces.
what are the null hypothesis and the alternative hypothesis that should be used for the test?
in the context of this test, what is a type i error?
Answers: 1
Mathematics, 21.06.2019 13:00, babyduckies37
In a box lenght 1m breadth 60 cm and height 40 cm small rectangular packets of dimension 5 cm into 8 cm into 10 cm are packed. how many such small packets can be packed in the big box?
Answers: 2
Mathematics, 21.06.2019 18:20, genyjoannerubiera
17. a researcher measures three variables, x, y, and z for each individual in a sample of n = 20. the pearson correlations for this sample are rxy = 0.6, rxz = 0.4, and ryz = 0.7. a. find the partial correlation between x and y, holding z constant. b. find the partial correlation between x and z, holding y constant. (hint: simply switch the labels for the variables y and z to correspond with the labels in the equation.) gravetter, frederick j. statistics for the behavioral sciences (p. 526). cengage learning. kindle edition.
Answers: 2
Acoin-operated coffee machine made by big corporation was designed to discharge a mean of ounces oun...
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