Find a 90 confidence interval for the total amount of sales for the sales representative.

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

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Find a 90 confidence interval for the total amount of sales for the sales representative.

Statistics, Data Analysis, and Decision Modeling

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