For the data set 7, 10, 10, 14, 14, 17, the mean is 12. What is the mean absolute deviation?

The mean absolute deviation is 18.
The mean absolute deviation is 12.
The mean absolute deviation is 6.
The mean absolute deviation is 3. I NEED IT NOW!

Svetlana's hair is 4 4 centimeters ( cm cm) long. her hair grows 1 . 5 cm 1.5cm per month. svetlana wants her hair to be less than 1 6 cm 16cm long. write an inequality to determine the number of months, m m, svetlana can allow her hair to grow so that it is less than 1 6 cm 16cm long.

Which number completes the inequality? 2/3 < _ < 7/9

Consider circle o, where and . m∠bpd °. °.