A community for students. Sign up today!
Here's the question you clicked on:
 0 viewing
 one year ago
The scatter diagram of SAT verbal and math scores in a state is roughly football shaped, and the correlation is 0.65. A student is on the 90th percentile of verbal scores. Find the regression estimate of this student’s percentile rank in math.
 one year ago
The scatter diagram of SAT verbal and math scores in a state is roughly football shaped, and the correlation is 0.65. A student is on the 90th percentile of verbal scores. Find the regression estimate of this student’s percentile rank in math.

This Question is Closed

amistre64
 one year ago
Best ResponseYou've already chosen the best response.1http://omega.albany.edu:8008/mat108dir/exam2prep/prankm2h.html i think this might be helpful fo rthis

amistre64
 one year ago
Best ResponseYou've already chosen the best response.1i cant seem to work out the steps :/ but does any of it sound familiar? or were you thinking a different method?

kitty159
 one year ago
Best ResponseYou've already chosen the best response.0got the 90th percentile for thA student is on the 40th percentile of verbal scores. Find the regression estimate of this student’s percentile rank in math.is question it is 79.75 but I am stuck with the 40th percentile i.e mt answer for this is

amistre64
 one year ago
Best ResponseYou've already chosen the best response.1z score for .9000 is what, 1.28 1.28 * .65 = .832 a zscore of 0.83 gives a percent near 79.7%

amistre64
 one year ago
Best ResponseYou've already chosen the best response.1not sure i understand that last post

kitty159
 one year ago
Best ResponseYou've already chosen the best response.0I got 79.75 as the answer for 90th percentile. I have the problem working out percentiles and need the formula to work out this I am now looking at the 40th percentile for the same question.

amistre64
 one year ago
Best ResponseYou've already chosen the best response.1im not sure the formula, i have to use a table

kitty159
 one year ago
Best ResponseYou've already chosen the best response.0High were can I find this table I have sat working it out would be helpful if you can let me know where I can get a copy of the table

amistre64
 one year ago
Best ResponseYou've already chosen the best response.1a have a ztable that starts at z=0; percentile = 50 since the z is mirrored along a normal curve, percentile of 40 is the negavite of 60 z60 = 0.25 ; z40 = 0.25

amistre64
 one year ago
Best ResponseYou've already chosen the best response.1http://4.bp.blogspot.com/_5u1UHojRiJk/TEh9BHxxPUI/AAAAAAAAAIQ/DafeQNMYFoE/s1600/ztable.gif ztable .25*.65 = .1625, or a zscore of about .16

amistre64
 one year ago
Best ResponseYou've already chosen the best response.1.16 is equal to .16, 50 so about 6.4%

amistre64
 one year ago
Best ResponseYou've already chosen the best response.1im not sure im doing it correctly tho :/

kitty159
 one year ago
Best ResponseYou've already chosen the best response.0ok got it found a table was guessing these
Ask your own question
Ask a QuestionFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.