Mathematics, 08.10.2019 17:30 snicklegirlp4isqr
In professor friedman's economics course the correlation between the students' total scores before the final examination and their final examination scores is r = 0.52. the pre-exam totals for all students in the course have mean 300 and standard deviation 37. the final exam scores have mean 70 and standard deviation 12. professor friedman has lost julie's final exam but knows that her total before the exam was 284. he decides to predict julie's final exam score from her pre-exam total. question 1. calculate the slope and intercept of the least squares regression line where the x-variable is pre-exam total score and the y-variable is final exam score. slope (use 4 decimal places in your answer) intercept (use 4 decimal places in your answer) question 2. what is the value of julie's final exam score predicted by the least squares
Answers: 1
Mathematics, 21.06.2019 18:30
If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.
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Mathematics, 21.06.2019 19:30
Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the surveyโs sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours
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Mathematics, 21.06.2019 20:40
Ineed someone to me answer my question i have to have this done and knocked out
Answers: 2
In professor friedman's economics course the correlation between the students' total scores before t...
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