A study of an association between which ear is used for cell phone calls and whether the subject is left-handed or right-handed began with a survey e-mailed to 5000 people belonging to an otology online group, and 717 surveys were returned. (Otology relates to the ear and hearing.) What percentage of the 5000 surveys were retumed? Does that response rate appear to be low? In general, what is a problem with a very low response rate? Of the 5000 surveys, % were returned. This response rate to be low. (Round to the nearest whole number as needed.) In general, what is a problem with a very low response rate? O A. It creates a serious potential for confounding which creates a serious potential for erroneous conclusions. O B. It creates a serious potential for getting a biased sample that consists of those with a special interest in the topic. OC. It indicates that the study is unimportant and that the researchers should move on to other studies.

MATLAB: An Introduction with Applications
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A study of an association between which ear is used for cell phone calls and
whether the subject is left-handed or right-handed began with a survey e-mailed to
5000 people belonging to an otology online group, and 717 surveys were returned.
(Otology relates to the ear and hearing.) What percentage of the 5000 surveys
were returned? Does that response rate appear to be low? In general, what is a
problem with a very low response rate?
Of the 5000 surveys, % were returned. This response rate
to
be low.
(Round to the nearest whole number as needed.)
In general, what is a problem vwith a very low response rate?
O A. It creates a serious potential for confounding which creates a serious
potential for erroneous conclusions.
OB. It creates a serious potential for getting a biased sample that consists of
those with a special interest in the topic.
C. It indicates that the study is unimportant and that the researchers should
move on to other studies.
O D. It indicates a lack of blinding which creates a serious potential for getting
a biased sample.
Next
Transcribed Image Text:A study of an association between which ear is used for cell phone calls and whether the subject is left-handed or right-handed began with a survey e-mailed to 5000 people belonging to an otology online group, and 717 surveys were returned. (Otology relates to the ear and hearing.) What percentage of the 5000 surveys were returned? Does that response rate appear to be low? In general, what is a problem with a very low response rate? Of the 5000 surveys, % were returned. This response rate to be low. (Round to the nearest whole number as needed.) In general, what is a problem vwith a very low response rate? O A. It creates a serious potential for confounding which creates a serious potential for erroneous conclusions. OB. It creates a serious potential for getting a biased sample that consists of those with a special interest in the topic. C. It indicates that the study is unimportant and that the researchers should move on to other studies. O D. It indicates a lack of blinding which creates a serious potential for getting a biased sample. Next
The population of ages at inauguration of all U.S. Presidents who had professions
in the military is 62, 46, 68, 64, 57. Why does it not make sense to construct a
histogram for this data set?
Choose the correct answer below.
O A. There must be an even number of data values in the data set to create a
histogram.
O B. Adequate class boundaries for a histogram cannot be found with this data
set.
O C. With a data set that is so small, the true nature of the distribution cannot
be seen with a histogram.
D. This data set would yield a histogram that is not bell-shaped.
Next
Transcribed Image Text:The population of ages at inauguration of all U.S. Presidents who had professions in the military is 62, 46, 68, 64, 57. Why does it not make sense to construct a histogram for this data set? Choose the correct answer below. O A. There must be an even number of data values in the data set to create a histogram. O B. Adequate class boundaries for a histogram cannot be found with this data set. O C. With a data set that is so small, the true nature of the distribution cannot be seen with a histogram. D. This data set would yield a histogram that is not bell-shaped. Next
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