Question

jordyn collects data on students in her school district who play in the school band. she chooses two random samples, each containing 50 students. the table shows her data. based on the data, complete the estimation about the population. about?% of the students who pl 30 school band are 7th graders.

Explanation:

Step1: Calculate the total number of 7th - graders in both samples

For Sample 1, the number of 7th - graders is \(26\). For Sample 2, the number of 7th - graders is \(34\). The total number of 7th - graders in both samples is \(26 + 34=60\).

Step2: Calculate the total number of students in both samples

Each sample has \(50\) students. So the total number of students in both samples is \(50+50 = 100\).

Step3: Calculate the percentage of 7th - graders

The formula for percentage is \(\text{Percentage}=\frac{\text{Part}}{\text{Whole}}\times100\). Here, the part is the number of 7th - graders (\(60\)) and the whole is the total number of students (\(100\)). So \(\text{Percentage}=\frac{60}{100}\times100 = 60\%\)

Answer:

\(60\)