Author Question: Which of the following is not an advantage of internet surveys? a. Data can be collected more ... (Read 95 times)

TFauchery · **on:** Jun 20, 2018

Which of the following is not an advantage of internet surveys?

a. Data can be collected more quickly than with paper or phone methods.
b. Human error in data entry is avoided.
c. It is easy to verify who took the survey.
d. Internet surveys are less expensive than paper or phone surveys.
e. Researchers can reach people who may not be able to respond during business hours.

Question 2

A researcher conducts a study and finds a mean of 65 and 95 confidence interval range of 60-70 . This means that

a. there is a 95 probability that the true mean is within 60 and 70.
b. 95 of the data points fell between 60 and 70.
c. the researcher is 95 confident that the mean found in this study was 65.
d. if the study was repeated multiple times, the calculated confidence interval would be between 60 and 70 in 95 of those studies.
e. if the study was repeated multiple times, the calculated confidence interval (which would be unique for each study) would encompass the true population mean in 95 of those studies.