Find the mean for the given sample data. Unless otherwise specified, round your answer to one more decimal place than that used for the observations.Bill kept track of the number of hours he spent exercising each week. The results for four months are shown below. Find the mean number of hours Bill spent exercising per week. 
A. 8.0
B. 7.7
C. 7.5
D. 7.1
Answer: C
Mathematics
You might also like to view...
Find the area of the shaded region. Round results to the nearest unit.
A. 2512 ft2 B. 628 ft2 C. 2748 ft2 D. 707 ft2
Mathematics
Graph on a plane.-4 < y < 7 
A. 
B. 
C. 
D. 
Mathematics
Find the probability of the event.When a single card is drawn from an ordinary 52-card deck, find the probability of getting a jack.
A. 
B. 
C. 
D. 
Mathematics
Evaluate the expression for the given values of the variables, if possible.-
, for a = 15, b = 9
A. -14 B. 11 C. 12 D. -12
Mathematics