Help me with my 2 math questions and I’ll mark brainliest !!

-Define cluster and stratified sampling. Give an example of each. Do not use an example from the Performance Exam Review.

-Identify the shape of the distribution for the following histograms. Label the mean and median using A and B for each histogram. Explain your reasoning for the mean and median placement.

Qrst is a parallelogram. determine the measure of ∠q pls

Suppose that a disk drive has 5,000 cylinders, numbered 0 to 4,999. the drive is currently serving a request at cylinder 2,150, and the previous request was at cylinder 1,805. the queue of pending requests, in fifo order, is: 2069, 1212, 2296, 2800, 544, 1618, 356, 1523, 4965, 3681

Due sun 06/03/2019 11: 59 p the list below shows the ages (in years) of 10 people riding in a van to a math competition. calculate the mean age of the people in the van. round your answer to the nearest tenth of s year. 10 12 13 11 10 12 ages 11 38 mean- years ( round your answer to the nearest tenth.) median- years ( enter an exact answer.) hint: textbook measures of center, points possible: 1 license this is attempt 1 of 3. submit