Square Roots Print Activity

Square Roots Print Activity

Central Tendency Print Activity

Use the “Explore It” mode to answer the following questions:

1. Use the diagram below to answer the following questions:

  1. The graph represents the heights of a collection of ____ artifacts.

(7/8/9)

  1. The Range in the heights of the artifacts is 9 – 1 = m.
  1. The Range is defined as the ______height – ______height.

(largest/smallest) (largest/smallest)

  1. The ______represents the average height of the artifacts.

(mean/median/mode)

  1. The Mean is defined as ____sum_____ = ______= .
  1. In the diagram above, the heights have been arranged in ______order.
    (ascending/descending)
  1. The Median is the value that represents the ______height

(beginning/middle/end)

when the heights are arranged in order.

h. The Median heightfor this data is .

i. The Modes are the values that occur ______often in a set of data.

(least/most)

  1. The value of the heights that occurs most often are and .

2. Use the data in the diagram below to answer the following questions:

a.The graph represents the ______of ______artifacts.

(length/width/height) (2/5/10)

  1. The range of lengths is – = m.

c. The mean length = ______= ______= .

d. The lengths arranged in ascending order are ____, ____, ____, ____, ____.

  1. The median length is .

f. This data has ______.

(2 modes/no modes)

3.Use the data table below to answer the following questions:

  1. The data represents the ______of the artifacts.

(length/width/height)

  1. The range for the widths is – = m.

c. The mean width is _____ = .

d.When the data is arranged in ascending order, the middle 2 widths are

and .

  1. When there is an ______number of data values, the median is found by (even/odd)

arranging the data in order and averaging the 2 data values in the middle.

  1. The median width for this example is .

4.Use the data table below to answer the following questions:

  1. There are data values in the data table.
  1. The range in height is – = .

c. The mean height is ____ .

d.When the heights are arranged in order, the middle 2 heights are and

e. The median height is .

  1. The most frequent heights of the artifacts are and and these values represent the ______.

(mean/median/mode)

  1. The data table below represents a list of Amy’s math quiz marks.

a. Input Amy’s marks into the data table on your screen.

Data Table:

b. Using the information on your screen, draw and include ALL labels on the bar graph below.

Graph:

c.The graph displays the math quiz marks for different math topics.

d.The quizzes are graded as a mark out of .

e.Amy achieved the highest quiz mark on the topic of.

f.The lowest mark Amy achieved on any quiz was out of 10.

g.The range of Amy’s marks was – = .

h.The average mark was _____ = .

i.The middle values when the marks are arranged in order are and .

j.The median mark is .

k.The most frequent marks Amy received were ______.

l.Did Amy achieve a passing average on these math quizzes? _____

(yes/no)

6.A favorite music survey was conducted with students.

Use the data table and graph below to answer the following questions:

Data Table:Graph:

a. The horizontal axis displays different types of music on the graph.

b. The vertical axis defines the ______or number of students that chose each music type.

  1. The number of students who chose country as their favorite was .
  1. The number of students who chose either pop rock or heavy metal was .
  2. The music type with the lowest frequency was ______.
  1. The total number of students participating in the music survey was .
  1. Of the 3 measures of central tendency, the ______have

(mean/median/mode) meaning in this data set.

  1. Explain why.

______

______

______

______

7. Match the following terms with their correct definition:

  1. Mean ____ the data value that occurs most often.

b. Median____ the difference between the largest and smallest data values.

c. Mode____ the sum of the data divided by the number of data values.

d. Range____ the value that represents the middle when data is arranged in

order.

Junior High Math Interactives Page 1 of 7

2006 Alberta Education (

Statistics and Probability/ Central Tendency / Object Interactive / Print Activity

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