The California Board of Education wants to know how 5th grade students are doing in math this year. They get a list of all 5th graders in the state of California and look at the overall math grades of every 10th student on the list. Then they add the scores and divide to
get an average. What kind of sampling is this?

Even if a person is in very good shape, applying to be a police officer requires commitment to fitness. applicants must pass a physical fitness test. in order to prepare for the test, janet purchases an activity tracker to court her steps. her goal is to walk 10,000 steps each day. she measures heard average step length to be 30 inches. play janet runs, her average steps length increases to 36 in. how many steps would she have to take to run 1 mile 50280 round to the nearest step