Mathematics, 02.07.2019 04:00 carlinryan
The difference of sample means of two populations is 55.4, and the standard deviation of the difference of sample means is 28.1. which statement is true if we are testing the null hypothesis at the 95% confidence level? medals 0 answer choices: the difference of the two means is significant, so the null hypothesis must be rejected. the difference of the two means is significant, so the null hypothesis must be accepted. the difference of the two means is not significant, so the null hypothesis must be rejected. the difference of the two means is not significant, so the null hypothesis must be accepted.
Answers: 1
Mathematics, 21.06.2019 16:00
Which graph represents the solution set for the given system of inequalities? x+2y< 3 x+y> 4 3x-2y> 4
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Mathematics, 21.06.2019 21:10
Given: lines a and b are parallel and line c is a transversal. prove: 2 is supplementary to 8 what is the missing reason in the proof? statement reason 1. a || b, is a transv 1. given 2. ∠6 ≅ ∠2 2. ? 3. m∠6 = m∠2 3. def. of congruent 4. ∠6 is supp. to ∠8 4. def. of linear pair 5. ∠2 is supp. to ∠8 5. congruent supplements theorem corresponding angles theorem alternate interior angles theorem vertical angles theorem alternate exterior angles theorem
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Mathematics, 21.06.2019 21:30
Are the corresponding angles congruent? explain why or why not.
Answers: 2
The difference of sample means of two populations is 55.4, and the standard deviation of the differe...
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