A quasi experiment does not use completely randomized sampling where every participant in a certain sample would be allocated completely by chance and would have the same chance of becoming the member of a sample. Rather, quasi experiments have selective sampling where participants have been allocated to a certain sample by a certain criteria which makes the sample not completely random.
Explanation:
rowCount() returns the number of rows affected by the last DELETE, INSERT, or UPDATE statement executed by the corresponding PDOStatement object.
Answer:
Here is the Python program:
stock_prices = input().split() #to take input and splits it into a list
for price in stock_prices: #iterates through stock_prices
print("$",price) #prints each value of stock_prices with a dollar sign
Explanation:
The program is well explained in the attached comments. I will explain the logic of the program with the help of an example:
Suppose the user enters the following input as stock_prices values
34.62 76.30 85.05
input() method is used to take input from user
split() method is used to split or break this input string and returns a list of strings as:
['34.62', '76.30', '85.05']
Now the statement for price in stock_prices: iterates through each item of the list and print("$",price) prints each value of list with a dollar sign on the output screen as:
$ 34.62
$ 76.30
$ 85.05
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