Mathematics, 25.01.2020 02:31, 860jay
Identify the type of sampling bias guaranteed to occur in cach of the sampling schemes, based on the information provided some sampling schemes may incur multiple types of bias. a. a political poll is conducted by contacting people on landline phones. the pollsters did not keep track of how many people they contacted who did not respond. b. a political poll is administered by contacting people on landline phones. the pollsters contacted 5000 households, and 1255 individuals agreed to speak with the caller. a political poll is conducted by asking the listeners of a radio program to call in. a political poll asks the question, "if you found out that candidate a was arrested when he was younger, would that change your opinion of how immoral candidate a is? " select from the following 1. response 2. undercoverage 3. self selection 4. non response
Answers: 1
Mathematics, 21.06.2019 16:00, ashl3yisbored
Determine the mean and variance of the random variable with the following probability mass function. f(x)=( 729divided by 91) (1 divided by 9) superscript x baseline comma x equals 1,2,3 round your answers to three decimal places (e. g. 98.765).
Answers: 3
Mathematics, 21.06.2019 17:00, ninjapig647
Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²
Answers: 1
Identify the type of sampling bias guaranteed to occur in cach of the sampling schemes, based on the...