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Science-Related Homework Help Statistics and Probability Topic started by: bottle on Mar 10, 2018



Title: Find a 90 confidence interval for the total amount of sales for the sales representative.
Post by: bottle on Mar 10, 2018
Find a 90 confidence interval for the total amount of sales for the sales representative.
 
  A) 531,250  5,861.93
  B) 87,500  3,651.51
  C) 75,000  2,840.11
  D) 29,750  4,115.33

Q. 2

If the coefficient of correlation is -0.80, the coefficient of determination is -0.64.
 
  Indicate whether the statement is true or false

Q. 3

The probability of rejecting the null hypothesis when the null hypothesis is false is known as the power of the test.
 
  Indicate whether the statement is true or false

Q. 4

Which nonparametric method is appropriate for analyzing these data?
 
  What will be an ideal response?

Q. 5

Two-tailed tests ________.
 
  A) have only lower critical values
  B) have only upper critical values
  C) have both upper and lower critical values
  D) do not have any critical values

Q. 6

Which of the following regression models would work for the indicators provided?
 
  A) Y = 1X1 + 2X2 + 3X3 + 4X4 + 5X5 + 6X6
  B) Y = 0 + 1X1 + 2X2 + 3X3 + 4X4 + 5X5 + 6X6 + 7X7 + i
  C) Y = 0 + 1X1 + 2X2 + 3X3 + 5X5 + 6X6 + i
  D) Y = 1X1 + 2X2 + 3X3 + 4X4 + 5X5 + 6X6 + 7X7 + i


Title: Find a 90 confidence interval for the total amount of sales for the sales representative.
Post by: estherev on Mar 10, 2018
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Title: Find a 90 confidence interval for the total amount of sales for the sales representative.
Post by: bottle on Mar 10, 2018
Thank you