subject
Mathematics, 15.04.2020 08:17 masonsee4ytube

The correlation between the students total scores prior the final exam and their final exam scores is r=.7. The pre exam totals for all students in the course have a mean 270 and a standard deviation 25. The final exam scores have mean 70 and standard deviation 10. The teacher misplaced Peter's final exam but knows that his total before the exam was 280. He decides to predict her final exam score from her pre exam total.

A)Find th equation for the appropriate LSRL for the teachers prediction?

Use the LSRLin part A to predict Peter's final exam score?

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 16:30
One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.
Answers: 3
question
Mathematics, 21.06.2019 16:30
Me because some of question i don’t understand
Answers: 1
question
Mathematics, 21.06.2019 17:40
Multiply. write your answer in simplest form. 3/8 x 5/7
Answers: 1
question
Mathematics, 21.06.2019 20:30
List x1, x2, x3, x4 where xi is the left endpoint of the four equal intervals used to estimate the area under the curve of f(x) between x = 4 and x = 6. a 4, 4.5, 5, 5.5 b 4.5, 5, 5.5, 6 c 4.25, 4.75, 5.25, 5.75 d 4, 4.2, 5.4, 6
Answers: 1
You know the right answer?
The correlation between the students total scores prior the final exam and their final exam scores i...
Questions
question
Advanced Placement (AP), 04.11.2020 22:30
question
English, 04.11.2020 22:30
question
Mathematics, 04.11.2020 22:30
question
Mathematics, 04.11.2020 22:30
question
Chemistry, 04.11.2020 22:30
question
Arts, 04.11.2020 22:30
question
Mathematics, 04.11.2020 22:30
Questions on the website: 13722363