A community for students.
Here's the question you clicked on:
 0 viewing
 one year ago
The scatter diagram of the lengths and widths of the petals of a type of flower is football shaped; the correlation is 0.8. The average petal length is 3.1 cm and the SD is 0.25 cm. The average petal width is 1.8 cm and the SD is 0.2 cm.
a. One of the petals is 0.2 cm wider than another. Regression says that the wider petal is estimated to be ____________ cm longer than the other.
b. Find the regression estimate of the length of a petal that is 1.5 cm wide.
c. Of the petals that are 1.5 cm wide, about what percent are less than 2.75 cm long?
d.Pick the best option: The 45th percentile of the petal lengths is (in cm)
e.Pick the best option: The 45th percentile of the lengths of the petals that are 1.8 cm wide is (in cm)
 one year ago
The scatter diagram of the lengths and widths of the petals of a type of flower is football shaped; the correlation is 0.8. The average petal length is 3.1 cm and the SD is 0.25 cm. The average petal width is 1.8 cm and the SD is 0.2 cm. a. One of the petals is 0.2 cm wider than another. Regression says that the wider petal is estimated to be ____________ cm longer than the other. b. Find the regression estimate of the length of a petal that is 1.5 cm wide. c. Of the petals that are 1.5 cm wide, about what percent are less than 2.75 cm long? d.Pick the best option: The 45th percentile of the petal lengths is (in cm) e.Pick the best option: The 45th percentile of the lengths of the petals that are 1.8 cm wide is (in cm)

This Question is Closed

racourty
 one year ago
Best ResponseYou've already chosen the best response.0a: 0.2 b: 2.8 c: 37 d: 0.125*0.25+3.1 e: 0.125*0.15+3.1
Ask your own question
Sign UpFind 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.