A cable company, based on a survey of its customers, reports that 48 of all the television audience ...

A cable company, based on a survey of its customers, reports that 48 of all the television audience watch Larry King Live daily. Is this an example of descriptive or inferential statistics?

What will be an ideal response?

Q. 2

The regressions Y = 0 + 1X1 + 2X2 + 3X3 + 4X4 + and Y = 0 + 1X1 + 2X2 + were run using a sample of 30 observations. The SSE for the first regression is 298.4 and 382.3 for the second regression. Test H0 : 3 = 4 = 0.

A) Reject H0 at = 0.05
B) Reject H0 at = 0.025
C) Reject H0 at = 0.01
D) Fail to reject H0 at < 0.10

Q. 3

Chebyshev's Theorem says that within two standard deviations of the mean, you will always find at least 88.9 of the data.

Indicate whether the statement is true or false

Q. 4

In order to test if the diet is effective, what is the appropriate critical value(s) at the 0.05 level of significance?

A) 2.131
B) 2.120
C) 1.753
D) 1.746

Q. 5

What is the standard deviation of the wholesaler monthly sales?

A) 35,620.0
B) 26,274.7
C) 71,240.0
D) 68,960.3

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A cable company, based on a survey of its customers, reports that 48 of all the television audience ...

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