Your school has received a grant to upgrade the school library. The librarians used a random sample of 50 students from the entire school. Of the 50 students, 27 would like to see more laptops available for student use. What can be inferred from this information?
Mr. Rodriguez used a random sample of 20 students from each grade at Willowbrook School to determine their favorite types of reading material. He made a graph of the results. What can he infer from the results?
The basketball players at Rafael’s middle school are selling T-shirts, and he wants to determine the average number of shirts that have been sold. First he surveyed five members of the 7th-grade boys basketball team. Then he surveyed every third basketball player on the boys and girls 6th- through 8th-grade basketball teams. Which sampling technique should produce a more representative sample?
What is the ratio of the total number of students who did not read books to the total number of students surveyed?
Homeroom Data of Tickets Sold:20, 15, 19, 16, 10Calculate the mean: Drama Club Data of Tickets Sold:19, 23, 11, 30, 27, 27, 22, 26, 16, 24Calculate the mean:
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