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WorksheetsGrade 10 End of Week 3 Assessment
Total questions: 25
Worksheet time: 25mins
What percent of the college students surveyed have less than $5000 in debt?
25%
50%
70%
100%
What is the median age?
60
55
50
45
How many scores were 26 or below?
10
20
5
25
What percent of the college students surveyed have less than $2000 in debt?
25%
50%
75%
100%
Find the cumulative frequencies.
28, 56, 84, 100
28, 58, 70, 72, 74, 76
33%, 37%, 20%, 7%, 7%, 7%
28, 30, 12, 2, 2, 2
The table shows the daily sales made by a mobile ice cream salesman over one week.
What was the value of the cumulative sales for Friday?
$57.2
$81
$132
$286
The table shows the cumulative rainfall by month for one year in Delhi, India.
Which month had the greatest rainfall?
July
August
September
December
What are the quartiles for the following set of numbers?
8, 11, 20, 10, 2, 17, 15, 5, 16, 15, 25, 6
Q1 = 15, Q2 = 16, Q3 = 15.5
Q1 = 6, Q2 = 13, Q3 = 17
Q1 = 7, Q2 = 13, Q3 = 16.5
Q1 = 8, Q2 = 13, Q3 = 16
What is the interquartile range for the following set of numbers?
4, 5, 6, 8, 9, 11, 13, 16, 16, 18, 20, 21, 25, 30, 31, 33, 36, 37, 40, 41
20
22
24
37
Find an estimate of the median length.
(give your answer as a whole number, leave out the units)
(a)
About how many people scored 40 marks or fewer?
14
28
48
72
About how many people scored more than 75 marks?
15
50
85
24
About how many people scored between 31 and 65 marks?
16
54
70
28
The diagram shows a cumulative frequency curve for the percentage scored by the students of a primary school in their end of year maths test.
Many of the students complained about how hard it was.
What is the median score?
30%
35%
50%
20%
What is the estimated IQR of this data set?
(a)
Fred carried out a survey of the time, in seconds, between one car and the next car on a road. His results are shown in the cumulative frequency graph. How many cars were in the survey?
A. 40 cars
B. 50 cars
C. 60 cars
D. 70 cars
E. 80 cars
2,400 people took an examination paper. The maximum mark for this paper was 80. The cumulative frequency graph below gives information about the marks. The pass mark was 44 marks. Use the cumulative frequency graph to estimate the number of people who did not pass this exam paper.
A. 1,200 people
B. 1,000 people
C. 800 people
D. 500 people
E. 200 people
The cumulative frequency table relates to 2,400 people who took an examination with a maximum mark of 80.
Which cumulative frequency curve shows this information most accurately.
Estimate how many balls had a weight of less than 80 g.
Write the figure only
(a)
Find the median, first quartile, third quartile, and interquartile range of the data.
32, 53, 72, 66, 47, 54, 49, 67, 71
Median: 54
First Quartile: 49
Third Quartile: 67
IQR: 18
Median: 54
First Quartile: 48
Third Quartile: 69
IQR: 21
Median: 54
First Quartile: 48
Third Quartile: 69
IQR: 22
Median: 54
First Quartile: 49
Third Quartile: 69
IQR: 20
0, 10, 29, 56, 90, 100
10, 10, 29, 66, 90, 100
0, 10, 29, 66, 90, 91
0, 10, 29, 66, 90, 100
0, 10, 29, 66, 80, 100
2, 16, 42, 68
2, 17, 69, 43
7, 22, 74, 48
2, 17, 43, 69
7, 22, 48, 74
The diagram shows a cumulative frequency for the weights of pets visiting a veterinary surgery over the course of 1 week.
Work out an estimate for the Inter Quartile Range.
1.8 kg
2.4 kg
3 kg
0.5 kg
