If we double (multiply by 2) each of the 500 scores in a sample having a mean of 45 and standard deviation of 10, the new value of the standard deviation for the sample would be: .
In the answer box, enter the value of , correct to one place of decimal.
Submission Modes and Output Format
You may either solve the problem on pen-and-paper and submit the final answer in the text box, or you may submit an R or Python program to accomplish the above task. Your output should be a floating point/decimal number, correct to 1 place of decimal.
In the text box below, enter a floating point/decimal number, correct to 1 place of decimal.
Alternatively, you may submit an R program, which uses the above parameters (hard-coded) and computes the answer.
Your answer should resemble something like:
9.1
(This is NOT the answer, just a demonstration of what the answering format should resemble).