Michele Conway, Belle Cottingham, Alastair Duncombe and, Amanda George Solutions for Exercise 3: Exercise 1

Author:Michele Conway, Belle Cottingham, Alastair Duncombe & Amanda George

Michele Conway Mathematics Solutions for Exercise - Michele Conway, Belle Cottingham, Alastair Duncombe and, Amanda George Solutions for Exercise 3: Exercise 1

Attempt the free practice questions from Exercise 3: Exercise 1 with hints and solutions to strengthen your understanding. Cambridge Lower Secondary Maths Stage 9: Student's Book solutions are prepared by Experienced Embibe Experts.

Questions from Michele Conway, Belle Cottingham, Alastair Duncombe and, Amanda George Solutions for Exercise 3: Exercise 1 with Hints & Solutions

EASY
Lower Secondary Stage 9
IMPORTANT

Florence wants to compare the number of text messages sent one week by men and women. Write down the two sets of data Florence will need for her investigation.

EASY
Lower Secondary Stage 9
IMPORTANT

Florence wants to compare the number of text messages sent one week by men and women. She sends a text message to the people in her address book to ask her friends how many text messages they sent last week. Why might this not give her reliable results?

EASY
Lower Secondary Stage 9
IMPORTANT

Harry measures the wingspan of butterflies and months. Is Harry's information primary data or secondary data? Give a reason for your answer.

EASY
Lower Secondary Stage 9
IMPORTANT

Harry measures the wingspan of butterflies and months. Write down one question that Harry could investigate with his data.

EASY
Lower Secondary Stage 9
IMPORTANT

Molly wants to compare the number of men and women living in her country. Explain why it will be more convenient for Molly to use a secondary source of data..

EASY
Lower Secondary Stage 9
IMPORTANT

Kalandra wants to investigate how the maximum daily temperature in her village varies throughout the year.

Write down one specific question that Kalandra could investigate.

EASY
Lower Secondary Stage 9
IMPORTANT

Kalandra wants to investigate how the maximum daily temperature in her village varies throughout the year. She finds some temperature data for a nearby city on the internet. Would this be:

1. Primary Data or 

2. Secondary Data? 

[Answer the correct number only]

EASY
Lower Secondary Stage 9
IMPORTANT

Jerome wants to find out whether boys at his school spend more time playing sport than girls at his school. Discuss how Jerome collect his data. You should think about:

What sets of data Jerome will need