This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The scatter plot for a set of X and Y values shows the data points clustered in a nearly perfect ... (Read 120 times)

imowrer

  • Hero Member
  • *****
  • Posts: 514
on: Jun 20, 2018
The scatter plot for a set of X and Y values shows the data points clustered in a nearly perfect circle. For these data, what is the most likely value for the correlation?
 
  A) a positive correlation near 0
  B) a negative correlation near 0
  C) either positive or negative near 0
  D) a value near +1.00 or 1.00

Question 2

For a population with  = 80 and  = 20, the distribution of sample means based on n = 16 will have an expected value of ____ and a standard error of ____.
 
  A) 5; 80
  B) 80; 5
  C) 20; 20
  D) 80; 1.25


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

heyhey123

  • Sr. Member
  • ****
  • Posts: 353
Reply #1 on: Jun 20, 2018
Answer to Question 1

C

Answer to Question 2

B


imowrer

  • Member
  • Posts: 514
Reply 2 on: Jun 20, 2018
Great answer, keep it coming :)

mammy1697

  • Member
  • Posts: 341
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Common Laboratory Tests and Their Normal Values Common Laboratory Tests and Their Normal Values
The upper panel shows that scores of four diverse samples of boys on a moral reasoning test show a ... The upper panel shows that scores of four diverse samples of boys on a moral reasoning test show a ...
A typical OBD-II data link connector (DLC). The location varies with make and model and may even be ... A typical OBD-II data link connector (DLC). The location varies with make and model and may even be ...
Adult neurogenesis. The top panel shows new cells in the dentate gyrus of the hippocampus—the cell ... Adult neurogenesis. The top panel shows new cells in the dentate gyrus of the hippocampus—the cell ...
How to plot a sine function containing an amplitude and phase-shift (Question 2 of 3) How to plot a sine function containing an amplitude and phase-shift (Question 2 of 3)
Pinch the sternocleidomastoid (SCM) muscle at points along its length. Turn head to side to expose ... Pinch the sternocleidomastoid (SCM) muscle at points along its length. Turn head to side to expose ...
Video: Smoking Cessation

For a complete list of videos, visit our video library