Mathematics, 02.11.2019 07:31, madi25838
Astatistics teacher taught a large introductory statistics class, with 500 students having enrolled over many years. the mean score over all those students on the first midterm was =78 with standard deviation =10 . one year, the teacher taught a much smaller class of only 25 students. the teacher wanted to know if teaching a smaller class was more effective and students performed better. we can consider the small class as an srs of the students who took the large class over the years. the average midterm score was x¯=83 . the hypothesis should be:
Answers: 3
Mathematics, 21.06.2019 18:00, abhibhambhani
Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.
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Mathematics, 21.06.2019 19:30, fantasticratz2
Nikolas calculated the volume of the prism. his work is shown below.
Answers: 1
Mathematics, 22.06.2019 02:00, 24swimdylanoh
Estimate the time en route from majors airport (area 1) to winnsboro airport (area 2). the wind is from 340° at 12 knots and the true airspeed is 136 knots. magnetic variation is 5° east.
Answers: 2
Astatistics teacher taught a large introductory statistics class, with 500 students having enrolled...
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