Variance in a behavior that is related to variables that an investigator is investigating is systematic variance.
What is variance?
A measurement of variability for the standard deviation of scores from the mean.
What is systematic variation?
The term "systematic variation" typically refers to an anomaly or error in observations that are caused by variables that are outside the scope of statistical control.
Which measure of central tendency is used most often?
When your data distribution is continuous and symmetrical, such as when your data are normally distributed, the mean is typically the best measure of central tendency to utilize.
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Answer: Confirmation bias
Explanation: Confirmation bias is a kind of bias where one seeks confirmation of one's biased assumption, whereby each confirmation of one's bias being selected at the same moment, although there is information that is contrary to one's biased assumption. In other words, this bias is a kind of biased selection, where one chooses the information that fits the assumption, and of course this can often be wrong.
That's why Darrell, who was sceptical of the phone model from the beginning, despite the seller's recommendations and information he received from friends about the quality of the phone better than other models, Darrell decides to return the phone because he read that Bluetooth connectivity of the Sat- Fone was flawed, which actually fits his biased assumption, he makes a mistake and returns the phone.
Answer:
George Washington
Explanation:
George Washington was an American soldier, statesman, a Found Father, and the first president of the United States of America.
