When a company scans the bar codes on its products in an effort to count the number of products that remain in inventory, the company is collecting data through experimentation.
Indicate whether the statement is true or false
Q. 2What does a positive correlation coefficient indicate?
A) When one variable increases, the other variable decreases.
B) When one variable increases, the other variable also increases.
C) When one variable decreases, the other variable remains constant.
D) Both the variables are not linearly related.
Q. 3An individual using Crystal Ball can choose to use the same sequence of random numbers for generating the random variates in the assumption cells. The above mentioned function can be found in the ________.
A) Sampling Tab in the Run Preferences item
B) Custom distribution from the Assumptions item
C) Define Decision option on the main ribbon
D) Define Forecast option on the main ribbon
Q. 4The Parks and Recreation manager for the city of Detroit recently submitted a report to the city council in which he indicated that a random sample of 500 park users indicated that the average number of visits per month was 4.56.
This value should be viewed as a statistic by the city council. Indicate whether the statement is true or false
Q. 5The best-subsets regression method ________.
A) evaluates best subsets of models for a fixed number of dependent variables
B) adds one variable at a time to the multiple regression model and tests for significance
C) evaluates all possible regression models for a set of independent variables
D) removes one variable at a time from the regression model
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