27. Which of the following statements is false? a. Bias can occur when respondents lie b. Increasing sample size will generally reduce variation in a sample. c. random sampling will decrease bias d. using random sampling will reduce variation. 28 Jane wants to know why certain residents of her town choose not to vote in local elections. She randomly selects 25 people from the white pages of the local phone book as her sample. What type of bias could not occur? a. undercoverage b. voluntary response c. response bias d. nonresponse e. leading question
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