Mathematics, 02.04.2021 16:20, GhostElite6383
Seventy-five college students are taking part in a study initiated by a large computer manufacturer. The company is designing a new type of laptop computer and has created prototypes of it with two different keyboard designs. They are also including the current design of the laptop in the experiment. Each of the students was randomly assigned to one of the three types of computers. The students are asked to spend 15 minutes on one of the computers performing several tasks (typing words, numbers, making corrections, etc.). The ease of use of the keyboard was then rated on a five-point scale by having the students fill out a short questionnaire. Which of the following was not used in this experiment?
a. control
b. replication
c. blocking
d. randomization
Answers: 1
Mathematics, 21.06.2019 17:00, ninjapig647
Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²
Answers: 1
Mathematics, 21.06.2019 17:50, carlosiscr7
Bill works as a waiter and is keeping track of the tips he ears daily. about how much does bill have to earn in tips on sunday if he wants to average $22 a day? tips by day tips (dollars) monday tuesday wednesday thursday friday saturday $14 $22 $28 $36
Answers: 1
Seventy-five college students are taking part in a study initiated by a large computer manufacturer....