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- NZ Year 11 Maths
- Data and Graphs

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Try reviewing these fundamentals first

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Get Started NowStart now and get better maths marks!

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Get Started Now- Intro Lesson: a5:22
- Intro Lesson: b9:15
- Lesson: 1a3:51
- Lesson: 1b4:51
- Lesson: 1c3:24
- Lesson: 2a3:24
- Lesson: 2b4:50
- Lesson: 3a6:17
- Lesson: 3b5:12

- Introduction
__Introduction to Line Graphs__a)How to read a line graph?b)How to make a line graph? - 1.Mrs. K created a graph to keep track of attendance in her classroom over a week.

a)On which days were exactly 2 students absent?b)How many more students were absent on Friday versus Tuesday?c)Which day had the best attendance? - 2.Lori kept track of the number of long distance calls she made over a 6 month period.

**Calls made by Lori:**

**Month****Calls**January

10

February

5

March

8

April

6

May

4

June

3

a)Display the data in the table in a line graph.

b)Was Lori more, less or just as likely to make long distance calls later in these 6 months? - 3.The governments of two cities claim that they have done a very successful job in developing the public transit system over the past 10 years. Below are line graphs showing the average waiting times for a bus in the two cities in the past 10 years.

a)Which government improved the waiting time more?b)Which government did a better job in developing public transit system overall?