Solve the problem. Round your answer to one decimal place unless otherwise indicated.
-A sample of nine students is selected from among the students taking a particular exam. The nine students were asked how much time they had spent studying for the exam and the responses (in hours)were as follows:

$$17,7,9,14,11,16,6,19,22$$
Estimate the mean study time of all students taking the exam.
A)13.4 hours
B)12.1 hours
C)It is not possible to estimate the population mean from this sample data
D)14 hours

Question

Solve the problem. Round your answer to one decimal place unless otherwise indicated.
-A sample of nine students is selected from among the students taking a particular exam. The nine students were asked how much time they had spent studying for the exam and the responses (in hours)were as follows:

$$17,7,9,14,11,16,6,19,22$$
Estimate the mean study time of all students taking the exam.
A)13.4 hours
B)12.1 hours
C)It is not possible to estimate the population mean from this sample data
D)14 hours

Quizplus · Accepted Answer

To estimate the mean study time, add all the given times and divide by the number of students: $\frac{17+7+9+14+11+16+6+19+22}{9} = \frac{121}{9} = 13.444...$, which rounds to 13.4 hours.

Solve the Problem 17,7,9,14,11,16,6,19,2217,7,9,14,11,16,6,19,2217,7,9,14,11,16,6,19,22 Estimate the Mean Study Time of All Students Taking the Unless

Solve the Problem $17,7,9,14,11,16,6,19,22$ Estimate the Mean Study Time of All Students Taking the Unless