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Chapter 7 Revision- Averages 2

Authored by Emma Chatelier

Mathematics

University

Used 5+ times

Chapter 7 Revision- Averages 2
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7 questions

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1.

FILL IN THE BLANK QUESTION

3 mins • 1 pt

The train fare from Reading to London was £20 in 2019. In 2020 it is £20.70. Calculate the index number for 2020 using 2019 as the bas year.

2.

FILL IN THE BLANK QUESTION

3 mins • 1 pt

In 2019 where were 640,370 births in the UK. The total population was 67 million. What is the crude birth rate for the UK in 2019? (Give your answer to 2 d.p.)

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Calculate the geometric mean of 3 and 27.

9

10

12

15

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

The value of a house increases by 3% in year 1, 2.5% in year 2 and 0.5% in year 3. What is the average % increase for the 3 years? (Give your answer to 2 d.p.)

1.94%

2%

1.55%

2.5%

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Coursework = 30% ​

Written Exam= 70%​

Pass mark= 55%​

Student 1

Coursework= 90%​

Exam= 45%​

Calculate the weighted mean to find their overall percentage?

55%

58.5%

67.5%

60%

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these averages can be shown on a quality control chart?

Mean

Mode

Geometric Mean

Average Seasonal Effect

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

From which type of graph can you calculate the size of the seasonal effect?

Histogram

Time Series

Frequency Polygon

Quality Assurance Chart

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