Problem asked——find a quick and easy method to compute the sum of the first 100 counting numbers. no calculators allowed.

i have to write 3 to 4 paragraphs on how i got the answer and i don’t understand this problem. it’s barely 10 and i’m extremely exhausted, i want nothing more than to sleep but of course, me being stupid, i have to do this as it’s due tomorrow first period and i couldn’t do it any sooner. i can figure out what to write for each paragraph but me and tell me what quick and easy method is supposed to be used for this i know the final answer but the main question asked is what easy method was supposed to be used. . it sucks to be me right now.

Apoll is being conducted at a mall nothingto obtain a sample of the population of an entire country. what is the frame for this type of​ sampling? who would be excluded from the survey and how might this affect the results of the​ survey? what is the frame for this type of​ sampling? a. the frame is people who need new clothes. b. the frame is people who shop at the mall. c. the frame is people who like to shop. d. the frame is the entire population of the country. who would be excluded from the survey and how might this affect the results of the​ survey? a. any person that does not need new clothes is excluded. this could result in sampling bias due to undercoverage. b. any person who does not shop at the mall is excluded. this could result in sampling bias due to undercoverage. c. any person who does not shop at the mall is excluded. this could result in nonresponse bias due to people not participating in the poll. d. there is nobody that is being excluded from the survey.