January 11, 2019 ISLAMIYA ENGLISH SCHOOL, ABU DHABI.

GRADE : 10 STATISTICS REVISION

1. JAN 2014 P2-R Q 5 M 6.

2. JAN 2015 P2-R Q 3 M 4.

MS.SARVATH FATHIMA. 1

January 11, 2019 ISLAMIYA ENGLISH SCHOOL, ABU DHABI.

3. JUNE 2017 P2-R Q 6 M 9.

MS.SARVATH FATHIMA. 2

January 11, 2019 ISLAMIYA ENGLISH SCHOOL, ABU DHABI.

4. JAN 2018 P2-R Q 7 M 10.

MS.SARVATH FATHIMA. 3

January 11, 2019 ISLAMIYA ENGLISH SCHOOL, ABU DHABI.

5. JUNE 2013 P1-R Q 15 M 3.Here are the marks of 12 students in a test20, 29, 22, 28, 22, 27, 22, 26, 24, 25, 24, 25(a) Write down the mode.(b) Calculate the mean mark.

6. JUNE 2013 P1-R Q 20 M 4.The table below gives information about the distances travelled by a delivery van and the numbers of deliveries in one day.

MS.SARVATH FATHIMA. 4

January 11, 2019 ISLAMIYA ENGLISH SCHOOL, ABU DHABI.

On the graph paper complete the histogram to represent this information.Show the scale on the frequency density axis of your histogram.

7. JAN 2014 P1-R Q 25 M6.A school class has 30 pupils.The shoe size of each pupil is recorded and this table shows information about these results.

Size of shoe 3 4 5 6 7 8 9

Number of pupils 2 5 8 9 3 2 1

For this information, find(a) the mode.(b) the median.

MS.SARVATH FATHIMA. 5

January 11, 2019 ISLAMIYA ENGLISH SCHOOL, ABU DHABI.

(c) the mean.

8. JAN 2014 P1-R Q 27 M6.225 runners took part in the Ambling marathon. The finishing times (t hours) of those runners who completed the marathon were recorded. The histogram below was drawn for these results.

(a) Use the histogram and the information in the table, to complete the table.

(b) Calculate the percentage of the 225 runners who did not complete the marathon.

MS.SARVATH FATHIMA. 6

January 11, 2019 ISLAMIYA ENGLISH SCHOOL, ABU DHABI.

9. JUNE 2014 P1-R Q 19 M 4.Here is a list of eight whole numbers. 8, 19, 14, 15, 23, 6, 4, xThe median of these eight numbers is 12.(a) Find the value of x.(b) Calculate the mean of the eight numbers.

10. JUNE 2014 P1-R Q 20 M 4.

In the town of Electoria, four candidates stood in the election for town mayor. The number of votes each candidate received is represented by the pie chart. The number of votes Candidate D received is 3075 and the angle of the sector for Candidate D is 75°.(a) Calculate the total number of votes received by all four candidates.Candidate A won the election. The angle of the sector for Candidate A is 5° greater

than the angle of the sector for Candidate B.(b) Calculate how many more votes Candidate A received than Candidate B.

11. JUNE 2014 P1-R Q 25 M 5.The Trumpton Express is due to arrive at Feather Green station every day at 10:00 am. The stationmaster records the arrival times for 120 days. No train arrives more than 4 minutes early or 10 minutes or more late.The incomplete table and the histogram give information about the arrival times.Using this information, complete the table and the histogram.

MS.SARVATH FATHIMA. 7

January 11, 2019 ISLAMIYA ENGLISH SCHOOL, ABU DHABI.

12. JAN 2015 P1-R Q 19 M 4.Here is a list of eight integers

11 19 15 3 13 7 22 xThe value of x is three times the median of these eight integers.(a) Find the median.(b) Work out the numerical value of the mean of the eight integers.

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January 11, 2019 ISLAMIYA ENGLISH SCHOOL, ABU DHABI.

13. JUNE 2015 P1-R Q 17 M 4.Here are ten numbers1 2 2 3 4 5 5 5 6 x where x>6.(a) Write down the mode of the ten numbers.(b) Write down the median of the ten numbers.

Given also that mean=3×mode−median(c) Find the value of x.

14. JUNE 2015 P1-R Q 21 M 5.The times ( t seconds ) taken by some students to complete a task were recorded. The histogram below was drawn for these times.

(a) Use the histogram and the information in the table to complete the table.

MS.SARVATH FATHIMA. 9

January 11, 2019 ISLAMIYA ENGLISH SCHOOL, ABU DHABI.

One of the students who completed the task is chosen at random.(b) Find the probability that this student took less than 60 seconds to complete the task.

x------------------x------------------x

MS.SARVATH FATHIMA. 10