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.edu/d21/lms/quizzing/user/attempt/quiz start frame.d2l?ou 38133818isprv-&drc; 18qi-37496238cfql-0 4 Alin ECON 207-06/07/08 Business Statistics e Materials CommunicationAssessments Student Resources am 000 Time Left 0.17 40 Aina Ramjali: Attempt1 Question 43 (1 point) In order to determine whether or not there is a significant difference between the hourly wages of two companies, the following data have been accumulated Company 1 Company 2 n1-80 x1bar-$10.80 x2bar $10.00 sigma1-$2.00 igma2 $1.50 The null hypothesis for this test is: n2-60 Oa) 1-u2-0 b) u1-u2 d) u1-u2 not equals to O 2 Saved SaveExplanation / Answer
A null hypothesis is a hypothesis that says there is no statistical significance between the two variables. It is usually the hypothesis a researcher or experimenter will try to disprove or discredit. Analternative hypothesis is one that states there is a statistically significant relationship between two variables.
So,
Here it will be a two tail test
Null: u1 - u2 = 0
A option
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