Jenny publishes a blog on bird-watching, with field notes and pictures of her trips around the country. Recently she decided to conduct a poll among 600 of her subscribers, and found that 71% of those polled have liked at least one of her blogs, they have posted an average of 1.8 comments per blog, and 128 have liked all of her blogs. Later she found out that her website already has this information for all of her subscribers. According to her website, she has a total of 12,683 subscribers, of whom 68% have liked at least one of her blogs, they have posted an average of 1.5 comments per blog, and 3781 have liked all of her blogs. (a) For Jenny's blog poll, identify the population and the sample. X 5 ? Population: (Choose one) Sample: (Choose one) (b) Choose whether each number described below is a parameter or a statistic for Jenny's blog poll. Number Parameter Statistic The 128 subscribers among the 600 subscribers Jenny polled who like all of her blogs O O The average of 1.5 comments per blog that all subscribers to Jenny's blog have posted O O The 71% of the 600 subscribers Jenny polled who like at least one blog O O