Class 10 Practice – Level 1 – Statistics

Total questions: 40

The following table shows the marks obtained by 50 students in a test:

Topic: Mean of Grouped Data

Marks	Number of Students
0 - 10	7
10 - 20	10
20 - 30	10
30 - 40	15
40 - 50	8

What is the mean of the marks obtained by the students?

None

Consider the following frequency distribution of weights (in kg) of 30 students:

Topic: Median of Grouped Data

Weight (kg)	Number of Students
40 - 45	6
45 - 50	8
50 - 55	7
55 - 60	5
60 - 65	4

What is the median weight?

52.2

53.3

54.4

55.4

None

Given the following frequency distribution of heights (in cm) of 40 students:

Topic: Mode of Grouped Data

Height (cm)	Number of Students
140 - 150	8
150 - 160	12
160 - 170	15
170 - 180	5

What is the mode of the data?

155

160

165

170

None

The cumulative frequency distribution of the ages of students in a school is given below:

Topic: Cumulative Frequency

Age (years)	Cumulative Frequency
10 -12	5
12 - 14	15
14 - 16	30
16 - 18	45

What is the frequency of the class interval 14-16?

None

The following table represents the cumulative frequency distribution of the monthly savings (in rupees) of 60 employees:

Topic: Ogive

Monthly Savings (Rs.)	Cumulative frequency
1000 - 2000	10
2000 - 3000	25
3000 - 4000	45
4000 - 5000	60

What is the upper boundary of the first class interval?

1000

1500

2000

2500

None

Which of the following is a correct representation of a cumulative frequency distribution?

Topic: Representation of Data

A bar chart

A histogram

An ogive

A pie chart

None

What type of graph is typically used to display the frequency distribution of a continuous dataset?

Topic: Graphical Representation

Bar graph

Histogram

Line graph

Pie chart

None

Given the following data: 12, 15, 18, 22, 25, what is the range of the data?

Topic: Range of Data

None

Which of the following measures of central tendency is not affected by extreme values?

Topic: Measures of Central Tendency

Mean

Median

Mode

Range

None

10.

In a frequency distribution, the mid-point of the class interval 30-40 is:

Topic: Frequency Distribution

None

11.

The following table shows the distribution of the number of books read by 30 students in a month:

Topic: Mean of Grouped Data

Number of Books	Number of Students
0 - 5	10
5 - 10	12
10 - 15	6
15 - 50	2

What is the mean number of books read by the students?

7.5

8.45

9.52

10.45

None

12.

Given the cumulative frequency distribution of marks obtained by students:

Topic: Cumulative Frequency

Marks	Cumulative Frequency
0 - 10	4
10 - 20	10
20 - 30	18
30 - 40	25

What is the frequency of students in the class interval 10-20?

None

13.

In the frequency distribution table below, what is the mean of the data?

Topic: Mean of Grouped Data

Class Interval	Frequency
10 - 20	3
20 - 30	7
30 - 40	12
40 - 50	5
50 - 60	3

30.5

32.7

34.3

35.1

None

14.

Find the mode for the following data:

Topic: Mode of Grouped Data

Class Interval	Frequency
0 - 10	4
10 - 20	6
20 - 30	10
30 - 40	5
40 - 50	3

None

15.

Which of the following is best suited to display the cumulative frequency distribution of data?

Topic: Graphical Representation

Histogram

Frequency polygon

Ogive

Bar chart

None

16.

The median of the following data is:

Topic: Median of Grouped Data

Class Interval	Frequency
0 - 10	5
10 - 20	8
20 - 30	12
30 - 40	15
40 - 50	10

25.56

28.33

30.25

32.56

None

17.

A line graph is typically used to represent:

Topic: Representation of Data

Continuous data

Discrete data

Categorical data

Both continuous and discrete data

None

18.

In a frequency distribution, the mid-point of the class interval 40-50 is:

Topic: Frequency Distribution

None

19.

For the following frequency distribution, calculate the mean:

Topic: Mean of Grouped Data

Class Interval	frequency
5 - 10	4
10 - 15	6
15 - 20	10
20 - 25	8

13.5

14.5

15.5

16.5

None

20.

If the median of the following frequency distribution is 35, what is the missing frequency (f)?

Topic: Median of Grouped Data

Class Interval	frequency
20 - 30	4
30 - 40	f
40 - 50	6

None

21.

The cumulative frequency distribution of the scores of students is:

Topic: Cumulative Frequency

Scores	Cumulative Frequency
0 - 10	5
10 - 20	12
20 - 30	20
30 - 40	30

What is the frequency of students scoring between 20-30?

None

22.

Given the following data, what is the mean?

Topic: Mean of Grouped Data

Class interval	Frequency
0 - 10	3
10 - 20	6
20 - 30	9
30 - 40	12

None

23.

The mode of the following frequency distribution is:

Topic: Mode of Grouped Data

Class Interval	frequency
0 - 10	2
10 - 20	8
20 - 30	12
30 - 40	6

None

24.

Which of the following is used to display the frequency distribution of categorical data?

Topic: Graphical Representation

Histogram

Bar graph

Ogive

Line graph

None

25.

What is the cumulative frequency of the class interval 20-30 given the following data?

Topic: Cumulative Frequency

Class Interval	Frequency
0 - 10	4
10 - 20	6
20 - 30	8
30 - 40	12

None

26.

For the following data, the median is:

Topic: Median of Grouped Data

class Interval	Frequency
5 - 15	6
15 - 25	8
25 - 35	10
35 - 45	6

None

27.

The range of the following data set is:

Topic: Range of Data

Class Interval	Frequency
5 - 10	4
10 - 15	6
15 - 20	8
20 - 25	2

None

28.

Which measure of central tendency is calculated by adding all data points together and dividing by the number of data points?

Topic: Measures of Central Tendency

Mean

Median

Mode

Range

None

29.

Which type of graph is used to compare different categories of data?

Topic: Graphical Representation

Histogram

Bar graph

Ogive

Line graph

None

30.

The following table shows the distribution of the number of siblings in a group of 30 children

Topic: Median of Grouped Data

Number of Siblings	Frequency
0-1	10
1-2	8
2-3	7
3-4	5

What is the median number of siblings?

1.5

2.5

None

31.

For the following frequency distribution, find the mode:

Topic: Mode of Grouped Data

Class Interval	Frequency
0 - 5	3
5 - 10	5
10 - 15	7
15 - 20	4

None

32.

Calculate the mean for the following data:

Topic: Mean of Grouped Data

Class Interval	Frequency
10 - 20	6
20 - 30	8
30 - 40	10
40 - 50	6

25.52

30.33

30.45

32.65

None

33.

What is the cumulative frequency of the class interval 15-20 given the following data?

Topic: Cumulative Frequency

Class interval	Frequency
5 - 10	4
10 - 15	6
15 - 20	10
20 - 25	12

None

34.

For the following data, calculate the median:

Topic: Median of Grouped Data

None

35.

The range of the following data set is:

Topic: Range of Data

Class Interval	Frequency
5 - 10	4
10 - 15	6
15 - 20	8
20 - 25	2

None

36.

Calculate the mean for the following frequency distribution:

Topic: Mean of Grouped Data

Class Interval	Frequency
10 - 20	3
20 - 30	6
30 - 40	9
40 - 50	12

None

37.

Find the mode of the following frequency distribution:

Topic: Mode of Grouped Data

None

38.

Which type of graph is used to display data trends over a period of time?

Topic: Graphical Representation

Histogram

Bar graph

Ogive

Line graph

None

39.

The median of the following frequency distribution is:

Topic: Median of Grouped Data

Class Interval	Frequency
10 - 20	6
20 - 30	8
30 - 40	12
40 - 50	6

25.5

28.33

31.66

32.22

None

40.

The range of the following data set is:

Topic: Range of Data

Class Interval	Frequency
10 - 15	4
15 - 20	6
20 - 25	8
25 - 30	2

None

1 out of 40

Time's up

Class 10 Practice – Level 1 – Statistics

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