Find the sample standard deviation of the data set.
Use the following information to answer question, 24 students in an engineering class were asked to record the number of hours spent in a lab during a week. The results are listed below.
3, 10, 21, 14, 8, 5, 1, 4, 13, 7, 9, 6, 11, 10, 6, 7, 12, 16, 1 , 7, 14, 1, 11, 8
Answer: 5
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Solve the system of equations using the inverse of the coefficient matrix. 4x - 3y - z = 19x - 6y - 4z = -20 5x + y + z = 45
A. x = 8, y = 4, z = 1 B. x = 8, y = 1, z = 4 C. No solution D. x = -8, y = 4, z = 16
Solve the problem.Find the value of a retirement savings account paying an APR of 6.6% (compounded monthly) after 40 years of monthly contributions (contributions made at the end of each month, including the last month) when the monthly contribution is $170. Round your answer to the nearest cent.
A. $428,359.87 B. $367,541.45 C. $371,712.72 D. $410,337.81 E. $399,104.52
Solve the equation.-6x + 3(-2x - 6) = -27 - 3x
A. - 1 B. 5 C. 3 D. 1
Solve.If three times the smaller of two consecutive integers is added to four times the larger, the result is 46. Find the smaller integer.
A. 5 B. 6 C. 18 D. 7