Your progress
Ticks are kept only in this browser: clearing your browsing data or changing device loses them. · ·

Numeracy Foundation June 2019 Unit 2 Q10

WJECFoundationCurrent spec6 marksAverages (including IQR)Time-Series

10.

(a)

A survey was carried out to find out how often people used the swimming pool in a sports centre.
The following two questions were asked in a questionnaire.

Q1. How far away from the sports centre do you live?

Q2. How often do you go swimming?

(i) Give one reason why question 1 is a useful question to ask. [1]
(ii) Explain why the answers to question 2 might be difficult to analyse. [1]
(iii)

A person answers that they go swimming.
Write a question that could be used to find out how long this person spends in the pool, on average, each time they go swimming.
You must give groups for collecting the data. [2]

Question:

(b)

Jamil works at the Hafan Parc swimming pool.
He records the temperature of the water in the pool from 8 a.m. to 11:30 a.m.
Jamil draws the following graph.

Graph of temperature of the water (°C), from 15 to 30, against time from 8 a.m. to 11:30 a.m.

Use the graph to answer the following questions about the temperature of the water between 8 a.m. and 11:30 a.m.

(i) What is the range of the temperature of the water? [1]
(ii)

For swimming, the most suitable temperature of the water in the pool is between 27°C and 28°C inclusive.
Find the length of time that the water in the pool was most suitable for swimming.
Give your answer in minutes. [1]

The water was most suitable for …………… minutes