1. Explain what the difference is between prescision and acuracy (2pts)

2. Explain what blocking / stratifying a study is (2 pts)

3. Explain what is a sample and its relashionship to a population (2pts)

4. Is there any importnat distiction onhow we represent parameters and statistics ? (2pts - make sure to remeber what these 2 terms mean)

5 Here is a variable data for a sample of size 5 : blue , green , yellow, green , red .

Define the type of variable (2 keywords, 2 points).

MAKE SURE TO NUMBER YOUR ANSWERS BELOW