Mathematics, 11.12.2019 20:31 AM28
Arecent study focused on the number of times men and women send a twitter message in a day. the sample information is summarized here.
sample size - sample mean - population standard deviation
men 25 23 5
women 30 28 10
at the 0.01 significance level, we ask if there is a difference in the mean number of times men and women send a twitter message in a day. what is the test statistic for this hypothesis?
Answers: 3
Mathematics, 21.06.2019 22:00
Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?
Answers: 2
Mathematics, 22.06.2019 00:00
Idon't get undoing if its pass adding and subtracting so can someone ? x-2 over 5 = 18
Answers: 1
Mathematics, 22.06.2019 00:20
Maria solved an equation as shown below. what is the solution to maria’s equation?
Answers: 1
Arecent study focused on the number of times men and women send a twitter message in a day. the samp...
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