Yes, 67% is a large majority of the respondents
No, 67% is not a large enough majority of respondents
Yes, several thousand people responded to the question, so this is a large sample
No, the sample is biased because the respondents are most likely to be those people who prefer to go to a beach to begin with
statistics for on-the-job fatalities in 2005 show that there were 1,033
on-the-job deaths of construction workers, as well as 1,388
transportation workers, 312 police and fire-fighters, 282 factory
workers, and 630 management and executive-level workers. Does this mean
management and executive jobs may be safer than construction jobs, and
more dangerous than fighting fires or working in a factory?
Yes, this is the order of the number of fatalities in the data
Yes, but only in the year data was collected
No, we should be comparing rates such as the number of deaths per thousand workers
No, accuracy of government statistics cannot be trusted
Below are annual income histograms (in $1,000s) for three different groups of people.
In which histogram is the average less than the median?
Below are annual income histograms (in $1,000s) for three different groups of people. In histogram (i), is the median closest to 90, 100, or 120?
In histogram (i), is the SD smaller, larger, or about the same as that in histogram (iii)?
about the same
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