Mathematics, 28.06.2020 01:01 georgettemanga2001
A researcher compares the effectiveness of two different instructional methods for teaching pharmacology. A sample of 63 students using Method 1 produces a testing average of 52.2. A sample of 93 students using Method 2 produces a testing average of 72.3. Assume that the population standard deviation for Method 1 is 15.92, while the population standard deviation for Method 2 is 17.96. Determine the 95% confidence interval for the true difference between testing averages for students using Method 1 and students using Method 2.
Answers: 3
Mathematics, 21.06.2019 19:30
Identify the number 127 as a rational or irrational. explain
Answers: 2
Mathematics, 22.06.2019 03:50
Situation: find the age of the skull to the nearest year, enter the correct answer. a hiker in africa discovers a skull that contains 32% of its original amount of c- 14. done n = noekt 00000 no = inital amount of c-14 (at time t = 0) n = amount of c-14 at time t k = 0.0001 t = time, in years
Answers: 1
Mathematics, 22.06.2019 05:00
While on a train trip, marsha noticed that there were 35 people in her train car. after the next stop, there were only 21 people in her car. if p represents the percent decrease in the number of people in marsha's train car, what is p?
Answers: 1
A researcher compares the effectiveness of two different instructional methods for teaching pharmaco...
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