Mathematics, 20.09.2020 09:01 mika08
Question 4. Random-digit dialing is often used to select telephone survey samples. This technique randomly selects the last four digits of a telephone number from a telephone exchange. (An exchange is the first three telephone numbers after the area code). This type of sample gets around the problem of using a telephone book as a sampling frame; however, other types of problems may still be encountered. Identify one type of selection biases that may ensue from this method
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The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol
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Astudent was asked to find the square of 7x+3. the student quickly wrote (7x+3)^3= 49x^2+9. identify the student's error and provide the correct answer.
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Question 4. Random-digit dialing is often used to select telephone survey samples. This technique ra...
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