Class 10 Quiz Level 2 (Moderate) – Statistics

Total questions: 20

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

Topic: Mean of Grouped Data

Marks Obtained	Number of Students
0-10	5
10-20	8
20-30	15
30-40	12
40-50	10

What is the mean of the marks obtained?Deselect Answer

22.2

27.8

28.6

None

The cumulative frequency distribution of the marks obtained by 100 students is as follows:

Topic: Cumulative Frequency

Marks Obtained	Cumulative Frequency
0-20	15
20-40	35
40-60	70
60-80	90
80-100	100

What is the frequency of students scoring between 40-60 marks?Deselect Answer

None

Given the following frequency distribution of the ages of people in a community:

Topic: Median of Grouped Data

Age (Years)	Frequency
20-30	8
30-40	12
40-50	20
50-60	10

What is the median age?Deselect Answer

None

Given the following data on the number of hours studied by students in a week:

Topic: Mode of Grouped Data

Hours Studied	Frequency
0-10	5
10-20	10
20-30	20
30-40	15
40-50	10

What is the mode of the number of hours studied?Deselect Answer

None

The number of children in different families is distributed as follows:

Topic: Mode of Grouped Data

Number of Children	Frequency
0-2	10
2-4	20
4-6	15
6-8	5

What is the mode of the number of children?Deselect Answer

2.5

3.3

3.5

None

For the following frequency distribution, what is the median?

Topic: Median of Grouped Data

Class Interval	Frequency
0-10	10
10-20	20
20-30	30
30-40	20
40-50	10

Deselect Answer

None

The following table shows the distribution of monthly savings (in Rs.) of 60 people:

Topic: Median of Grouped Data

Monthly Savings (Rs.)	Frequency
500-1000	10
1000-1500	15
1500-2000	20
2000-2500	10
2500-3000	5

What is the median monthly saving?Deselect Answer

1500

1750

2000

2250

None

The distribution of the weights (in kg) of 60 children is given below:

Topic: Mean of Grouped Data

Weight (kg)	Frequency
20-30	10
30-40	15
40-50	20
50-60	10
60-70	5

What is the mean weight?Deselect Answer

None

The following table shows the distribution of the salaries (in thousands) of employees in a company:

Topic: Mean of Grouped Data

Salary (in thousands)	Number of Employees
10-20	5
20-30	12
30-40	18
40-50	20
50-60	10

What is the mean salary of the employees?Deselect Answer

37.5

None

10.

The cumulative frequency distribution of the marks obtained by students is as follows:

Topic: Cumulative Frequency

Marks Obtained	Cumulative Frequency
0-20	10
20-40	25
40-60	50
60-80	75
80-100	100

What is the frequency of students scoring between 60-80 marks?Deselect Answer

None

11.

The following data represents the scores of 40 students in a test:

Topic: Median of Grouped Data

Scores	Frequency
10-20	8
20-30	12
30-40	10
40-50	5
50-60	5

What is the median score of the students?Deselect Answer

None

12.

The following table shows the distribution of the number of books read by 50 students in a year:

Topic: Mean of Grouped Data

Number of Books	Frequency
0-5	10
5-10	12
10-15	15
15-20	8
20-25	5

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

11.5

14.5

None

13.

The following table shows the distribution of the weights (in kg) of 100 people:

Topic: Mean of Grouped Data

Weight (kg)	Frequency
40-50	10
50-60	20
60-70	30
70-80	25
80-90	15

What is the mean weight?Deselect Answer

None

14.

The following table shows the distribution of the ages of participants in a survey:

Topic: Median of Grouped Data

Age (Years)	Frequency
10-20	6
20-30	10
30-40	15
40-50	12
50-60	7

What is the median age?Deselect Answer

None

15.

The distribution of the number of pets owned by 50 families is given below:

Topic: Mode of Grouped Data

Number of Pets	Frequency
0-2	10
2-4	20
4-6	15
6-8	5

What is the mode of the number of pets?Deselect Answer

None

16.

Given the following frequency distribution of the weekly allowances (in Rs.) of 60 students

Topic: Mode of Grouped Data

Weekly Allowance (Rs.)	Frequency
100-200	10
200-300	20
300-400	15
400-500	10
500-600	5

What is the mode of the weekly allowances?Deselect Answer

200

265

300

350

None

17.

For the following frequency distribution of the number of hours worked by 50 employees in a week:

Topic: Median of Grouped Data

Hours Worked	Frequency
10-20	5
20-30	8
30-40	15
40-50	12
50-60	10

What is the median number of hours worked?Deselect Answer

None

18.

The following table shows the distribution of the number of hours spent by workers in a factory:

Topic: Median of Grouped Data

Hours Spent	Frequency
5-10	10
10-15	15
15-20	20
20-25	5

What is the median number of hours spent by the workers?Deselect Answer

12.5

17.5

None

19.

The following table shows the distribution of the daily sales (in Rs.) of a shop over 20 days:

Topic: Median of Grouped Data

Daily Sales (Rs.)	Frequency
1000-2000	3
2000-3000	4
3000-4000	6
4000-5000	4
5000-6000	3

What is the median daily sales?Deselect Answer

3000

3500

4000

4500

None

20.

The cumulative frequency distribution of the weekly savings (in Rs.) of 50 people is given below:

Topic: Cumulative Frequency

Weekly Savings (Rs.)	Cumulative Frequency
100-200	5
200-300	15
300-400	30
400-500	45
500-600	50

What is the frequency of people saving between Rs. 400-500 weekly?Deselect Answer

None

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Class 10 Quiz Level 2 (Moderate) – Statistics

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