What did the computer eat on the moon? btw its a riddle

Here is a quote from an npr news article: “on average, working-age adults were eating about 78 fewer calories per day in 2010, compared with five years earlier. the new report is based on data from the national health and nutrition examination survey, which collects details on eating habits and other health-related information from a nationally representative sample of about 10,000 people in the u.s.” which of the following is true about the numerical value 78? a. it is an anecdote. b. it is a parameter. c. it is a simulation. d. it is a statistic.

Secondary school falls between a . kindergarten & elementary b. elementary school & post secondary school c. post secondary school & higher education d. middle school & high school

This is an ap world history question. i am working on a worksheet which has a vent diagram with each circle labeled either us or byzantine economy. the middle is the similarities. can someone explain to me the similarities and especially the differences between the two?