
Organizer: Department of Statistics, Veer Narmad South Gujarat University, Surat (Re-Accredited ‘B++ 2.86 CGPA by NAAC).
Online Quiz as a part of the National Statistics Day Celebration on the 29th June 2025.
About the Quiz
- Junior Quiz on Statistics Day 2025 Level Student of Class 8, 9 & 10.
- No Registration fees.
- All 30 questions are compulsory.
- On successful completion of the Quiz, participants scoring 50% and above will receive an e-certificate through e-mail address.
- Event Date: 29th June 2025 (12.00 am to 12.00 pm).
Apply Link
Dr. Shital S. Patel Organizing Secretary
Dr. Arti. J. Rajyaguru Convener
Dr. R. C. Gadhvi Registrar
Dr. K. N. Chavda Vice Chancellor
Contact:
Department of Statistics, Veer Narmad South Gujarat University Surat-395007, (Gujarat) INDIA
Contact: 0261-223110, Email: quizstatistics@vnsgu.ac.in
100% Correct Answer Available Junior Quiz on Statistics Day 2025 Here
The average of 40, 60, and x is 50. What is the value of x?
1 point
40
50
60
70
National Statistics Day is observed in honor of:
*
1 point
P.C. Mahalanobis
Satyendra Nath Bose
C.V. Raman
Srinivasa Ramanujan
Which of the following is primary data?
*
1 point
Average temperature published in a newspaper
Heights measured by you in your own class
Census figures from the government website
Rainfall statistics from IMD reports
The mode of the data set {4, 6, 6, 7, 9, 6, 7, 9} is:
*
1 point
7
6
9
4
Which of the following is a positional average?
1 point
Mean
Median
Standard deviation
Variance
The midpoint of the class 30–40 is:
*
1 point
35
30
35.5
40
The class interval 10–19, 20–29, 30–39 is an example of which type of class interval?
*
1 point
Inclusive
Exclusive
Unequal
Open
For a perfectly symmetrical distribution, which is true?
*
1 point
Mean < Median Mean = 2 × Mode Mean > Mode
Mean = Median = Mode
If the class marks of a distribution are 15, 25, 35 … the class width is:
*
1 point
20
5
15
10
Which date is celebrated as National Statistics Day in India?
*
1 point
5 August
11 July
10 December
29 June
When every item of a population is studied, it is called:
1 point
Census
Sample survey
Random sampling
Cluster sampling
Which curve is obtained by plotting less-than cumulative frequency against upper class boundaries?
*
1 point
Frequency polygon
Pie chart
Histogram
Ogive
A coin is tossed twice. How many possible outcomes are there?
*
1 point
4
8
6
2
If the mean of five numbers is 12, the sum of the numbers is:
*
1 point
30
60
12
24
Which of the following is quantitative continuous data?
*
1 point
Eye colours
Shirt sizes (S, M, L)
Number of siblings
Body temperatures (°C)
Statistics is the science of:
*
1 point
Data collection, analysis, and interpretation
Financial accounting
Logical reasoning
Qualitative analysis
Which measure best describes the spread of grouped data?
*
1 point
Median
Mode
Standard deviation/variance
Mean
If P(A) = 0.3, P(B) = 0.4 and A, B are mutually exclusive, P(A ∪ B) =
*
1 point
0.7
0.5
0.9
0.12
Which measure of central tendency is least affected by an extreme value?
*
1 point
Mode
Geometric mean
Median
Mean
Two events A and B are independent if:
*
1 point
P(A ∩ B) = P(A) × P(B)
P(A ∪ B) = 1
P(A ∩ B) = 0
P(A) = P(B)
A fair die is rolled once. The probability of getting an even number is:
*
1 point
1/2
1/3
1/6
2/3
A frequency polygon can be drawn by joining the mid-points of:
*
0 points
Tops of histogram rectangles
Pie sectors
Ogive points
Bar graph bars
In a bar graph, the width of each bar is usually kept:
*
1 point
Decreasing steadily
Equal for all bars
Proportional to its frequency
Increasing steadily
Which sampling method gives every unit an equal chance and uses random numbers?
*
1 point
Simple random sampling
Purposive sampling
Stratified sampling
Systematic sampling
If the probability of rain tomorrow is 0.65, the probability that it won’t rain is:
1 point
0.35
0.45
0.65
1.65
Which diagram is not appropriate for continuous grouped data?
1 point
Histogram
Frequency polygon
Bar graph
Ogive
The probability of drawing a king from a standard 52-card deck is:
*
1 point
2/13
1/26
4/13
1/13
For the data (10, 16, 12, 10, 16), the mode is:
*
1 point
10 & 16
8
16
10
In a grouped table, Σf = 150 and Σfx = 3 600. The mean is:
*
1 point
20
22
26
24
The range of the data {12, 15, 19, 22, 25} is:
*
1 point
12
15
10
13
Which graphical tool is best to compare the parts of a whole?
*
1 point
Pie chart
Bar chart
Line graph
Histogram