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



Title: For which type of data are the values arbitrary numbers?
Post by: fitscarlet on Mar 10, 2018
For which type of data are the values arbitrary numbers?
 a. Interval data c. Ordinal data
  b. Nominal data d. None of these choices.

Q. 2

In a multiple regression analysis involving 5 independent variables and 30 observations, SSR = 360 and SSE = 40 . The coefficient of determination is _____.
 a. .80
  b. .90
  c. .25
  d. .15

Q. 3

A waiting line situation where every customer waits in the same line before being served by the same server is called a single server waiting line.
  Indicate whether the statement is true or false

Q. 4

For what type of data are frequencies the only calculations that can be done?
 a. Interval data c. Ordinal data
  b. Nominal data d. None of these choices.

Q. 5

To test for the significance of a regression model involving 8 independent variables and 121 observations, the numerator and denominator degrees of freedom (respectively) for the critical value of F are _____.
 a. 8 and 121
  b. 7 and 120
  c. 8 and 112
  d. 7 and 112

Q. 6

For an M/M/1 queuing system, if the service rate, , is doubled, the average wait in the system, W, is cut in half.
  Indicate whether the statement is true or false

Q. 7

Values must represent ordered rankings for what type of data?
 a. Interval data c. Ordinal data
  b. Nominal data d. None of these choices.


Title: For which type of data are the values arbitrary numbers?
Post by: MeowMeow on Mar 10, 2018
Ans. #1

B

Ans. #2

b

Ans. #3

F

Ans. #4

B

Ans. #5

c

Ans. #6

F

Ans. #7

C


Title: For which type of data are the values arbitrary numbers?
Post by: fitscarlet on Mar 10, 2018
Thank you so much for the answer