Find the mean.Jill kept track of the number of hours she spent exercising each week. The results for four months are listed below. Find the mean number of hours Jill spent exercising per week. Round your answer to one decimal place if necessary. 6.7 7.4 7.5 8.6 7.3 6.7 8.7 7.5 8.2 6.7 8.6 8.3 8.8 7.4 7.4 8.2 7.3 8.7
A. 7.4
B. 7.8
C. 8.0
D. 8.2
Answer: B
You might also like to view...
Solve the problem.For a circle of radius 4 feet, find the arc length s subtended by a central angle of 30°. Round to the nearest hundredth.
A. 2.09 ft B. 6.28 ft C. 376.99 ft D. 4.19 ft
Solve the problem.A tour group split into two groups when waiting in line for food at a fast food counter. The first group bought 7 slices of pizza and 4 soft drinks for $29.34. The second group bought 5 slices of pizza and 5 soft drinks for $23.85. How much does one slice of pizza cost?
A. $3.42 per slice of pizza B. $2.92 per slice of pizza C. $1.85 per slice of pizza D. $1.35 per slice of pizza
Find the average of the function 
over 
.
?
A. Average = 
B. Average = 
C. Average = 
D. Average = 
E. Average = 
Use the given information to find the exact value of the trigonometric function.sin ? = - 
,
? lies in quadrant IV
Find sin 
.
A. 
B. - 
C. - 
D. 