Author Question: If a simple random sample of 300 observations is taken from a population whose proportion p = 0.6, ... (Read 186 times)

jhjkgdfhk

  • Hero Member
  • *****
  • Posts: 569
If a simple random sample of 300 observations is taken from a population whose proportion p = 0.6, then the expected value of the sample proportion p is 0.60.
  Indicate whether the statement is true or false

Question 2

If the sum of squared residuals is zero, then the:
 a. coefficient of determination must be 1.0.
  b. coefficient of correlation must be 1.0.
  c. linear relationship between x and y is perfect.
  d. All of these choices are true.



trog

  • Sr. Member
  • ****
  • Posts: 343
Answer to Question 1

T

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

For a complete list of videos, visit our video library