Introduction to Tabulating Data

Q. What is the average of all the entries in the following table?

Day	Temperature (in degree celsius)
Monday	25
Tuesday	29
Wednesday	32
Thursday	34
Friday	31
Saturday	26

1. 
   34
2. 
   32
3. 
   29.5
4. 
   26.5

Q. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Pointing towards a man, Radhika said, “His sister is my daughter’s brother’s mother.” How is the man related to Radhika?

1. Grandfather
2. Father
3. Brother
4. Uncle

Q. In a quiz, positive marks are given for correct answers and negative marks are given for incorrect answers. If jack’s scores in five successive rounds were 25, − 5, −10, 15 and 10, what was his total at the end? Also find his average marks. [4 MARKS]

Q. The pictograph given below shows the number of buses belonging to different schools.
Number of buses of DPS exceeds the number of buses of DAV by

1. 1
2. 3
3. 9
4. 12

Q. The table given below shows the data for the time taken by a person to go to a school for 5 days of a week:

Day	Time taken (in min)
Monday	25
Tuesday	20
Wednesday	30
Thursday	35
Friday	40

The time taken on Friday is how much more than the average time taken by the person?

1. 
   20
2. 
   25
3. 
   15
4. 
   10

Q. The average temperature for the first four days of the week was ${39}^o$C. The average of the whole week was ${40}^o$C. What was the average temperature during the last three days of the week?

Q. The bar graph given below represents the favourite sports of 50 students.


How many students have cricket or football as their favourite sport?

1. 12
2. 20
3. 15
4. 10

Q. The mean of $P,2,3,4,5,6$ is $10$ the value of $P=$

Q. Unorganised data is called raw data.

1. False
2. True

Q.

The work hours of an employee of Think and Learn is given below:

9, 10, 8, 9, 12, 10

Find the mean hours worked by the employee.

___

Q. The given observations are : $8,12,16,10,22,4$ if the observations are decreased by 40%. then mean is 7.2, say true or false.

1. False
2. True
3. Data insufficient
4. Ambiguous

Q. Given below is the table that gives the data for the number of chocolates with 5 kids.

Kid	Number of chocolates
Kid - 1	12
Kid - 2	19
Kid - 3	14
Kid - 4	15
Kid - 5	13

What is the total number of chocolates with the kids; Kid - 1, Kid - 3 and Kid - 5?

1. 
   25
2. 
   35
3. 
   39
4. 
   40

Q. From the given data, find out the number of hours your friend plays on Saturday (🔺 = 1 hour).

$$\begin{array}{cc}\text{Day}& \text{Number of hours your friend plays}\\ \text{Monday}& 🔺🔺🔺🔺\\ \text{Tuesday}& 🔺🔺🔺🔺🔺\\ \text{Wednesday}& 🔺🔺\\ \text{Thursday}& 🔺🔺\\ \text{Friday}& 🔺🔺🔺🔺🔺\\ \text{Saturday}& 🔺🔺🔺🔺🔺🔺\\ \text{Sunday}& 🔺🔺🔺🔺🔺🔺🔺🔺🔺\end{array}$$

1. 6

Q. Raw data is easy to understand and analyse.

1. False
2. True

Q. The following table shows the number of medals won by India in the Asian Games in different years.

$\begin{array}{ccccc}\text{Year}& 2006& 2010& 2014& 2018\\ \text{Number of medals}& 53& 65& 57& 69\end{array}$

The average number of medals won by India is ____.

1. 60
2. 61
3. 63

Q. Given below is the table that gives the data for the number of chocolates with 5 kids.

Kid	Number of chocolates
Kid - 1	12
Kid - 2	19
Kid - 3	14
Kid - 4	15
Kid - 5	13

What is the total number of chocolates with the kids; Kid - 1, Kid - 3 and Kid - 5?

1. 
   39
2. 
   40
3. 
   35
4. 
   25

Q. Given below is the table that gives the data for the number of chocolates with 5 kids.

Kid	Number of chocolates
Kid - 1	12
Kid - 2	19
Kid - 3	14
Kid - 4	15
Kid - 5	13

What is the total number of chocolates with the kids; Kid - 1, Kid - 3 and Kid - 5?

1. 
   35
2. 
   25
3. 
   40
4. 
   39

Q.

Statistics help us in drawing meaningful inferences from data collected in numerous experiments.

1. True

2. False

Q. Given below is the table that gives the data for the number of chocolates with 5 kids.

Kid	Number of chocolates
Kid - 1	12
Kid - 2	19
Kid - 3	14
Kid - 4	15
Kid - 5	13

What is the total number of chocolates with the kids; Kid - 1, Kid - 3 and Kid - 5?

1. 
   25
2. 
   35
3. 
   39
4. 
   40

Q.

Avereage temperature of a place on Monday, Tuesday, Wednesday and Friday was found to be 58 C and the average temperature on Monday, Tuesday, Thrusday and Friday was 62 C. If the ratio of temperature on Wednesday and Thursday is 15: 19 find the temperatures on Wednesday and Thursday.

Q. Data is a collection of facts and figures.

1. True
2. False

Q.

What do we understand by the term statistics?

1. Collection of data

2. Analysis of data

3. Interpretation of data

4. Organisation of data

Q. Arrange the heights (inches) of the students in ascending order.

1. 55
2. 49
3. 57
4. 60
5. 59

Q. A data is a collection of numbers gathered to give some information.

1. False
2. True