Please tell me the ans of these question ​

This race was first held in 1953 on august 16th. every decade the race finishes with a festival. how many years is this?

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation

Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels.ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0