Mathematics, 15.04.2020 03:13 dheydar9377
An employer wishes to compare typing speeds of graduates from 2 different study programs: A and B. Eight random graduates from course A type at 62, 85, 59, 64, 73, 70, 75, and 72 words per minute. Six random graduates from course B type at 75, 64, 81, 55, 69, and 58 words per minute. You are to find the 90% confidence interval for the mean difference between the typing speeds of course A and B. In order to do this, you will need to complete a 2 sample t-test for the difference in means.
Answers: 2
Mathematics, 21.06.2019 20:20
Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.
Answers: 1
Mathematics, 21.06.2019 20:30
Is the point (0, 8) on the x-axis or y-axis? how do you know?
Answers: 2
Mathematics, 21.06.2019 21:00
X+y=-4 x-y=2 use elimination with adding and subtraction
Answers: 3
An employer wishes to compare typing speeds of graduates from 2 different study programs: A and B. E...
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