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. 2If the coefficient of correlation is -0.80, the coefficient of determination is -0.64.
Indicate whether the statement is true or false
Q. 3The 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. 4Which nonparametric method is appropriate for analyzing these data?
What will be an ideal response?
Q. 5Two-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. 6Which 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