Statistics: Practice 2

Practise focused skills from Statistics

MathematicsGrade 9Mixed10 questions20 min

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Focus question style

Section A: Core Practice · 5 questionsSection B: Application Practice · 5 questions

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Section A: Core Practice

Build the core ideas for this part of the chapter.

Choose the best answer for each question.

Question 1

MediumQuestion

The equations $x+y=8$ and $x-y=2$ are solved together. What is the value of $x$ ?

Topic: Stacked Bar Graphs · Skill: Read stacked bar graphs

Question 2

MediumQuestion

For the line $y=3x-3$ , what are the slope and $y$ -intercept?

Topic: Stacked Bar Graphs · Skill: Read 100 percent stacked bar graphs

Question 3

MediumQuestion

For the ordered data $3,5,7,9,11$ , what is the median?

Topic: Measures of Central Tendency · Skill: Calculate mean of ungrouped data

Question 4

MediumQuestion

Find the mean of the data set $4,6,8,10,12$ .

Topic: Measures of Central Tendency · Skill: Calculate median of ungrouped data

Question 5

AdvancedQuestion

A frequency table shows $12$ students like football, $9$ like cricket and $6$ like badminton. How many students are represented?

Topic: Measures of Central Tendency · Skill: Calculate mode of ungrouped data

What this assignment covers

Progressive Grade 9 Math practice for Stacked Bar Graphs to Weighted Average.

Skills and sections

Read stacked bar graphs, Read 100 percent stacked bar graphs, Calculate mean of ungrouped data, Calculate median of ungrouped data, Calculate mode of ungrouped data

Section A: Core Practice: 5 questions
Section B: Application Practice: 5 questions