A father has four sons, with heights of 68, 71, 72, and 75 inches. Determine the sampling distribution of the sample mean height and the sampling distribution of the sample range of height for samples of
size n= 2.

The graph shows the distance y, in inches, a pendulum moves to the right (positive displacement) and to the left (negative displacement), for a given number of seconds x. how many seconds are required for the pendulum to move from its resting position and return? enter your answer in the box.

Divide the following fractions 3/4 ÷ 2/3 1/2 8/9 9/8 2

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?