3) The Tragord family learned that their investments decreased in value by 13% over the last year. If the

investments were worth $100,000 at the beginning of the year, how much (in dollars) did they lose over the last

year?

A) $130

B) $1300

C) $13,000

D) $76926)

6) Which of the following is the best definition of percent?
A) a portion of another unit, always expressed as less than 100
B) a portion of another unit, always expressed as greater than 100
C) all are appropriate definitions
D) a standardized way of expressing quantities in relation to a standard unit of 100

8) When comparing electrical usage among utility customers, a small standard deviation indicates that the mean:
A) is not a typical value in the data set
B) is a typical value in the data set
C) shows that electrical usage is decreasing
D) shows that electrical usage is increasing

10) Find the standard deviation of the scores: 11, 11, 11, 14, 17, 17, 17. Round to tenths.
A) 2.8
B) 9.0
C) 3