Answer the following statement(s) true (T) or false (F)
The estimated standard error is used in the formula to estimate the population mean for the one-sample z.
Ans: F
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Mucous membranes can be involved in the transmission of both blood-borne disease and diseases transmitted by direct contact
a. True b. False Indicate whether the statement is true or false
Three of the following are advantages of using computer technology in standardized testing. Which one is not necessarily an advantage?
a. Computer-administered tests can include videos and audiotaped messages. b. Students' performance on computer-administered tests can be scored immediately. c. Computer-administered tests yield higher construct validity than traditional paper-pencil tests. d. The computer can easily determine not only whether students answer a question correctly but also how quickly they answer it.
An instructor asks her students how often they missed class during the semester: “0,” “1 time,” “2–6 times,” “7–15 times,” or “More than 15 times.” This variable may best be described as being measured at the ______ level of measurement.
a. nominal b. ordinal c. interval d. ratio
. Which of the following would be a method to examine response bias?
A. contact those who did not respond and offer the survey in a different mode B. pilot test the survey C. use a meta-analysis to combine data from previous studies D. determine that your survey is flawed and discontinue the study