QUESTION 3 Provide two examples (your own, not from the textbook) where you would think it would be appropriate to apply each of the following t-tests:
1) single sample t-test
2) two-sample t-test
3) paired-sample t-test

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?

Write the equation in general quadratic form: plz !