All of the following statements are TRUE about basic statistical methods to business EXCEPT:
A) With so much data so easily available, it is becoming increasingly important that people in business understand how to use that data to make good, strategic decisions.
B) Statistical methods can be used to analyze business data to support good decision making.
C) Statistics can be used to determine effectiveness of advertising campaigns, to understand what factors contribute to the demand for your products, to spot seasonal trends in the sales of certain products, and much more.
D) The more random the sample, the less accurate the statistical analysis will be, in part, because randomness eliminates bias.
Answer: D
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1. A function may return more than one item 2. function naming rules follow variable naming rules 3. Every include directive must be followed by using namespace std; 4. the types of parameters are optional in the function declaration 5. the parameter names are mandatory in the function header
Write a function that counts all the characters and the vowels in a string the user inputs. Then write a routine that calls the function and displays the following output.
$ ./count_all.py Enter some words: The sun rises in the East and sets in the West. 13 letters in 47 are vowels.
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Whenever you need to use the logical size of the bag within a class definition, run len(self) instead of referring directly to the instance variable self.size.
Answer the following statement true (T) or false (F)