An experimental design should consist of which of the following? treatment subje
ID: 3013274 • Letter: A
Question
An experimental design should consist of which of the following?
treatment
subject
response variable
all of the above.
2
In a randomized block design, which of the following is true?
the subject to the treatments within each block is randomized
a single-blinding experiment is conducted
equal variance assumption is violated
normal population assumption is violated.
3
The actual closing daily stock price of a corporation for December 9 is $81.37. Suppose the forecast price for December 9 is $81.88. Using an exponential smoothing constant of 0.2 ( = 0.2), what is the forecast stock price for December 10?
81.86
81.55
81.81
81.78.
treatment
subject
response variable
all of the above.
Explanation / Answer
1) Defining the experimental design consists of the following steps:
1. Identify the experimental unit.
2. Identify the types of variables.
3. Define the treatment structure.
4. Define the design structure.
Answer is all of above
2)
In a randomized block design,the subject to the treatments within each block is randomized
3) Forecast for december 10 = 0.2 * 81.37 + 0.8 * 81.88
= 81.78
Answer is 81.78
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