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Author Question: A sample of 20 observations has a standard deviation of 4 . The sum of the squared deviations from ... (Read 110 times)

debasdf

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on: Jun 24, 2018
A sample of 20 observations has a standard deviation of 4 . The sum of the squared deviations from the sample mean is:
 a. 400
  b. 320
  c. 304
  d. 288
  e. 180

Question 2

Some of the requirements for the error variable in a multiple regression model are that the standard deviation is a(n) ___________________ _ and the errors are ___________________ _.
 Fill in the blank(s) with correct word


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bookworm410

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Reply #1 on: Jun 24, 2018
Answer to Question 1

c

Answer to Question 2

constant; independent


debasdf

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Reply 2 on: Jun 24, 2018
Thanks for the timely response, appreciate it

cpetit11

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Reply 3 on: Yesterday
Wow, this really help

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