In this passage, the setting details that cause the narrator to feel uneasy are: (1) the dark furniture and (4) the curtains that sway because of an approaching storm.
Reference to the dark furniture is made in the lines <em>"...the gloomy furniture of the room"</em> and reference to the curtains that sway is made in the lines <em>"the dark and tattered draperies, which, tortured into motion by the breath of a rising tempest, swayed fitfully to and fro upon the walls, and rustled uneasily about the decorations of the bed".</em>
The following supporting detail is a statistic, "The average life expectancy of a vehicle battery is three to four years."
A statistic is essentially any piece of evidence that comes from a large study of numerical data. Therefore, this can be classified as a statistic.
"How to prepare for a job interview" or "Why interviews are important" I believe
