Class 7 Mathematics — Chapter 5: CONNECTING THE DOTS...

What you'll learn

• ▸Statistical Questions and Statements
• ▸Representative Values for Data
• ▸Calculating Arithmetic Mean (Average)
• ▸Conceptual Understanding of Mean as 'Fair-Share'
• ▸Applying Mean to Real-World Problems
• ▸Describing Data with Range, Minimum, and Maximum
• ▸Interpreting Dot Plots

Chapter Summary

--- PAGE 1 --- 5 CONNECTING THE DOTS... 5.1 Of Questions and Statements Your teacher tells you that they are meeting two of their childhood friends this evening. One is 5 feet tall and the other is 6 feet tall. What is your guess as to each friend's gender based on this information? You might have guessed that the 5-foot-tall person is a woman and the 6-foot-tall person is a man. There is a chance that you are wrong. But experience tells us that 5-foot-tall men and 6-foot-tall women are rare. We have seen that, more often, men are taller than women. The above is a simple example of statistical thinking. We regularly come across statements like — Jemimah's batting has I take about been very consistent over 15 minutes the past year. We can to cycle from expect a century from her school to home. in tomorrow's match. The population of Since I started their village has to eat fruit…

Practice Questions from this Chapter

Tap "Get Solution" on any question to ask our AI tutor.

1. Define statistical question clearly. Get Solution →
2. Find the mean of these values. Get Solution →
3. Illustrate data collection with an example. Get Solution →
4. According to the text, what is a statistical statement? Get Solution →
5. What does the term 'statistics' refer to? Get Solution →
6. How is the Arithmetic Mean (or average) calculated? Get Solution →
7. Which of the following is an ancient Indian mathematical term for the Arithmetic Mean mentioned in the chapter? Get Solution →
8. In the first cricket series mentioned, what was Shubman's highest score in a single match? Get Solution →

Did you know?

• 💡 Ancient Babylonians recorded astronomical data on clay tablets over 3,000 years ago.
• 💡 Statisticians predict election outcomes and track economic trends.
• 💡 The average adult human body contains about 60% water.
• 💡 The word 'average' comes from an old Arabic term for damaged goods.
• 💡 More chickens exist on Earth than human beings, a surprising statistical fact.

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