Mr.?Jones andMrs.?Smith both teach3rd?grade mathematics. The following data represents scoreson?a recent math test. Lookingat?the two setsof?scores, which class did better? Which class would you preferto?teach? Explain your reasoning, and backup?your answer with the conceptsin?Chapter3.

***The?conceptsin?Chapter3?are howto?organize raw data into frequency distributions and graphs. Chapter3?shows the statistical methods that canbe?usedto?summarize data. You willbe?finding measuresof?central tendency, suchas?mean, median, and mode.In?additionto?knowing the average, you must also know how the datais?dispersed. The measures that determine the spreadof?the data values are called measuresof?variation. These measures include the range, variance, and standard deviation. Another setof?measuresis?also necessaryto?describe data, these are called measuresof?position. You willbe?learning howto?find and interpret percentiles, deciles, and quartiles. Finally, you will learn a technique knownas?exploratory data analysis. You will see howto?create a box-plot and the five-number summary, and howto?identify outliers.

Scores(data)?are attachedas?a file too**

Mr?Jones:

20

80

60

40

50

30

60

Mrs.?Smith

45

55

40

45

50

45

60

\fMr. Jones and Mrs. Smith both teach 3 grade mathematics. The following data represents scores on a recent math test. Looking at the two sets of scores, which class did better? Which class would you prefer to teach? Explain your reasoning, and back up your answer with the concepts in Chapter 3. Respond to at least 2 other posts. You will be graded on your explanations, examples, and your use of the terminology from the text. Your responses to other students should be positive and constructive. To see the rubric, click on the 3 dots at the right of the assignment. Mr. Jones Mrs. Smith 20 45 80 55 60 40 40 45 50 50 30 45 60 60