Warm-Up activity on Frequency Charts, Dot Plots, and Histograms, and finding the median and mode of a data set. Estimate the mean using a dot plot (finding the balance point).
Question 1
1.
Please watch help video first, then fill in the frequency table and dot plot.
Help video link: http://www.showme.com/sh?h=iT22QXg
Question 2
2.
Find the mode, median, and estimate of mean of the data set of # of pencils: 0,0,0,2,2,2,2,3,3,4,4,4,4,6,6,6
Also determine what % of the students surveyed had 2 pencils.
(Help video link: http://www.showme.com/sh?h=iT22QXg)
Question 3
3.
Please watch help video hints first, then answer the questions about the histogram in the picture.
Help video link: http://www.showme.com/sh?h=iT22QXg
Question 4
4.
Now fill in the "frequency table" (also called a tally chart) to match the Histogram in Quadrant III.
Help video link: http://www.showme.com/sh?h=iT22QXg