Which of the following definitions contains statistical data?
a. Approximately 5% of the U.S. population over 65 have severe dementia, while another 10% have
mild to moderate impairment of memory and cognition. Of these demented individuals, approximately
40 to 50% have Alzheimer's disease, making it the most common cause of dementia in middle and
later life.
b. Life on earth is possible because there is liquid water, a blanket of life-supporting gases, and a
climate neither too warm nor too cold. Human beings may now be altering this balance by adding
unusual amounts of carbon dioxide to the atmosphere. This could make the global climate warmer
than at any other time in human history. And this change would be irreversible.
c. The output produced by a computer program may contain error messages, which indicate the
presence of errors in the program. These messages are generated by the computer system to help
the programmer in correcting these errors, also known as bugs. Severe errors can cause the​