Please try to answer all of the questions. Also ask if you have any questions.
Displaying numerical data in dot plots, and describing and analyzing
the data

A survey was conducted to determine how many movies were seen in one month among the 26 students in Mrs. Hampton’s sixth-grade class. The results are shown in the dot plot below.

a) Calculate the measures of center for the data in the dot plot, rounding your answers to the nearest tenths place. Show how you determined your answer. (2 points)

b) Are there any overall patterns in the data set? Striking deviations? Use mathematical reasoning to justify your answer. (2 points)

c) Calculate the measures of spread for Mrs. Hampton’s class data. Justify your response by describing the process used to find each measure. (2 points)

d) Which is a better measure of spread: range or interquartile range? Why? (2 points)

e) What does the value of the mean absolute deviation tell you about the spread of the data? (2 points)

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