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Ten sixth grade students recorded the amounts of time each took to travel to school. The dot plot shows their travel times.
a. Which number of minutes—9 or 4.2–is a typical amount of time for the ten sixth grade students to travel to school? Explain your reasoning.
b. Based on the mean and MAD, Jada believes that travel times between 5 and 13 minutes are common for this group. Do you agree? Explain your reasoning.
c. A different group of ten sixth grader students also recorded their travel times to school. Their mean travel time was also 9 minutes, but the MAD was about 7 minutes. What could the dot plot of this second data set be? Describe or draw how it might look.
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