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 20:00
Someone answer asap for ! max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a. the median of max’s data is 250 b. more than half of the data points max recorded were 177 centimeters. c. a data point chosen at random is as likely to be above the mean as it is to be below the mean. d. every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.
Answers: 1
Mathematics, 21.06.2019 21:30
Aladder that is 20ft long is leaning against the side of a building. if the angle formed between the ladder and the ground is 75 degrees how far is the bottom of the from the base of the building?
Answers: 1
Mathematics, 21.06.2019 22:10
Ellen makes and sells bookmarks. she graphs the number of bookmarks sold compared to the total money earned. why is the rate of change for the function graphed to the left?
Answers: 1
Mathematics, 21.06.2019 22:20
Given the following linear function sketch the graph of the function and find the domain and range. Æ’(x) = -5x + 4
Answers: 2
Astatistics teacher taught a large introductory statistics class, with 500 students having enrolled...
Computers and Technology, 06.03.2020 21:19
World Languages, 06.03.2020 21:19
History, 06.03.2020 21:19
Mathematics, 06.03.2020 21:19