Question

Math quiz help please i need to pass this class !!!!!!1. Tonya wants to buy four t-shirts for $11.95 each. Estimate her total cost without tax. (1 point)About 38
About 42
About 45
About 48

2. Estimate using compatible numbers: 43.6 ÷ 8.8 (1 point)About 4
About 5
About 6
About 7

Use the following set of data for problems 3 and 4.

Sean has the following grades in math: 79, 84, 79, 93, 60, 86, 80

3. Find the mean, median, and mode of Sean’s grades. Round to the nearest tenth if necessary. (1 point)80.1, 80, 79
80.2, 79, 79
80.1, 80, 80
79, 80.2, 80

4. Find the

Answer 1

q1. 11.95 ~ 12. 12 * 4 = 48.

Answer 2

mean means add all the numbers, and divide by how many numbers there were.

median means, arrange them in order from lowest to highest. Then pick the number that's in the middle. There might be two in the middle.

For example, median of 1, 3, 4, 6 is 3 and 4. I think you then take the average of the two. not sure though.

median of 1, 3, 4 is 3.

Answer 3

Thank you do you know more please! :D