Information approximately Us engages scholars in investigations approximately themselves. The unit introduces key techniques and tactics in records and information research. facts approximately Us was once designed to aid scholars interact within the strategy of info research, signify information, facts descriptions and information concepts
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Extra info for Data About Us: Statistics: Teacher's Guide: Connected Mathematics
Write the time each student spent dancing as a mixed number. b. Look at the data from part (a). Without doing any computations, do you think the mean time spent dancing is the same as, less than, or greater than the median? Explain your reasoning. For Exercises 13–16, a recent time study of 3,000 children ages 2–18 years old was conducted. The data are in the table below. How Children Spend Their Time Activity Average Time (minutes per day) Watching videos Reading for fun Using the computer for fun 39 44 21 13.
The students in Mr. Wilson’s study hall spent the following amounts of time on their homework. 3 3 1 1 1 1 4 hours hour hour hour hour 4 2 4 2 What is the mean time his students spent on homework? 8. Multiple Choice Use the data from Exercise 7. What is the median time Mr. Wilson’s students spent on homework? 3 1 1 F. hour G. hour H. 1 hour J. 1 hour 2 4 4 9. A soccer league wants to find the average amount of water the players drink per game. There are 18 players on a team and 10 teams in the league.
Explain which measure of center each of the candidates used as an “average” income for the town. Check their computations. b. Does any person in Slugville have the mean income? Explain. c. Does any person in Slugville have an income that equals the median? Explain. d. Does any person in Slugville have an income that equals the mode? Explain. e. What do you consider to be the typical income for a resident of Slugville? Explain. f. Suppose four more people move to Slugville. Each has a weekly income of $200.