Mrs. Ronilo had her students make a stem-and-leaf plot of the heights of all of the students in the class. The mean was 55. Dave was absent the day they did this, and he is 57 inches tall. How does adding him into the data change the measures of central tendency?

Question

Mathematics

Boomer

26 February, 12:48

Mrs. Ronilo had her students make a stem-and-leaf plot of the heights of all of the students in the class. The mean was 55. Dave was absent the day they did this, and he is 57 inches tall. How does adding him into the data change the measures of central tendency?

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Gould · Answer 1

Given that the mean is 55 inches and Dave is 57 inches, he would have increased the mean of the height in the stem-and-leaf plot that the students were making. This is however is also dependent upon the central tendency that was used, in this case the central tendency is mean or average.