# Math--Chapter 6

Chapter 6: Collect and Organize Data

Lesson 1: Collect and Organize Data. Objective: To collect and organize data by suing fequency tables.

Lesson 2: Find Mean, Median, and Mode. Objective: To find the mean, median, and mode of a set of data.

Lesson 3: Read Line Plots. Objective: To read and organize data in line plots.

Lesson 4: Make Stem-and-Leaf Plots. Objective: To make stem-and-leaf plots.

Lesson 5: Compare Graphs. Objective: To compare data in graphs using a variety of scales.

Lesson 6: Problem Solving Strategy: Make a Graph. Objective: To solve problems by using the strategy make a graph.

Vocabulary: data, tally, pictograph, survey, frequency, cumulative frequency, mean, median, mode, line plot, range, outlier, stem-and-leaf plot, stem, leaf, interval, scale

data: information collected about people or things

tally: a mark used to show how often something happens

pictograph: a graph that uses pictures to show data

survey: a method of gathering data by asking questions

frequency:  the number of times a response occurs

cumulative frequency: a running total of frequencies

mean: the average of a set of numbers, found by dividing the sum of the set by the number of addends

median:  the middle number in an ordered set of numbers

mode:  the number or itemin a set of data the occurs the most often

line plot:  a graph that shows the frequency of data long a number line

range:  the difference between the least and the greatest values in a set of data

outlier:  a data value that stands out from the other data values in the set

stem-and-leaf plot: a table that shows groups of data arranged by place value

stem:  each tens didit in a stem-and-leaf plot

leaf:  each ones digit in a stem-and-leaf plot

interval:  the distance between the numbers on the scale

scale:  a series of numbers placed at fixed distances to label a graph

Our textbook website: www.harcourtschool.com

Some good practice websites:

www.multiplication.com

www.funbrain.com