Juan is a teacher who wants to see how similarly his students' test scores are to one another. In analyzing his students' grades, Juan discovers that 50 percent of his students' scores lie over 2 standard deviations from the mean. Assuming that the class average is a C, Juan's finding indicates that .

For each proportion find the unknown number x 1/5/8=×/15

Given a: b and b: c, find a: b: c. write the ratio in simplest form. a: b=6: 10 and b: c=21: 33

The frequency table shows the results of a survey asking people how many hours they spend online per week. on a piece of paper, draw a histogram to represent the data. then determine which answer choice matches the histogram you drew. in order here is the.. hours online: 0-3, 4-7, 8-11, 12-15, and 16-19. frequency: 5, 8, 10, 8, 7 answer for the question is in the picture! : )