Organization of Data

Q.

Divide Rs. 536 between a, b and c in the ratio of 1/5:2/3:1:4.

Q. Calculate the range of the following : 1, 2 , 3 , 5 , 0 , 5 , 3 , 2 , 1 , 6 , 8 , 9 , 10 , 4 , 20 , 15 , 14

1. 40
2. 15
3. 20
4. 10

Q. In the sorting process, we can arrange the data in ascending or in order.

1. ascending
2. descending
3. jumble

Q. The range of the data : 21, 6, 17, 18, 12, 8, 4, 13 is ___ .

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

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

Q.

A set of data organized using a model of vertical columns and horizontal rows is

1. Met data

2. Table

3. File

4. Database

Q.

__________ presentation is a descriptive form of presentation of data where data is described by paragraphs of text.

1. Diagrammatic

2. Visual

3. Textual

4. Tabular

Q.

Question 2(ii)
Organize the following marks in a class assessment, in a tabular form:
4, 6, 7, 5, 3, 5, 4, 5, 2, 6, 2, 5, 1, 9, 6, 5, 8, 4, 6, 7.
Which number is the lowest?

Q. Question 34
State whether the statements are True or False.
If the extreme observations of both the ends of a data arranged in ascending order are removed, the median gets affected.

Q. Could you please explain me how to solve the below questions?

Q1: -7 + -5
Q2: -7 - (-5)
Q3: -7 - 5
Q4: 7 - (-5)
Q5: Every floor of a 104 story sky scraper is 4m high, if a baloon rises 3m every second, how long will it take to rise from the 36th floor to the 96th floor?

Q.

Question 2(iii)
Organize the following marks in a class assessment, in a tabular form:
4, 6, 7, 5, 3, 5, 4, 5, 2, 6, 2, 5, 1, 9, 6, 5, 8, 4, 6, 7.
What is the range of the data?

Q. Question 2(i)
Organize the following marks in a class assessment, in a tabular form:
4, 6, 7, 5, 3, 5, 4, 5, 2, 6, 2, 5, 1, 9, 6, 5, 8, 4, 6, 7.
Which number is the highest?

Q.

Class $6$did a survey of birthday dates. This chart shows the number of students with birthdays in each three months of the year.

From the chart, how many people have birthday before july?

1. $5$

2. $15$

3. $20$

4. $40$

Q.

There is a black bag which contains 100 identical balls. 99 of those balls are red in color and remaining 1 is white. Now, if you take a ball out from the bag, what can be said about its color?

1. It must be red

2. May be red or white

3. It must be white

4. Nothing can be said about the colour.

Q. The weights of new born babies (in kg) in a hospital on a particular day are as follows:

2.3, 2.2, 2.1, 2.7, 2.6, 3.0, 2.5, 2.9, 2.8, 3.1, 2.5, 2.8, 2.7, 2.9, 2.4

(i) Rearrange the weights in descending order.
(ii) Determine the highest weight.
(iii) Determine the lowest weight.
(iv) Determine the range.
(v) How many babies were born on that day?
(vi) How many babies weigh below 2.5 kg?
(vii) How many babies weigh more than 2.8?
(viii) How many babies weigh 2.8 kg?

Q. The mean of 5 numbers is 18. If one number is excluded, their mean is 16. Find the excluded number.

Q.

Following are the choices of games of $40$ students in Class $\mathrm{VI}$:
Football, cricket, football, kho-kho, hockey, cricket, hockey, kho-kho, tennis, tennis, cricket, football, football, hockey, kho-kho, football, cricket, tennis, football, hockey, kho-kho, football, cricket, cricket, football, hockey, kho-kho, tennis, football, hockey, cricket, football, hockey, cricket, football, kho-kho, football, cricket, hockey, football.
(a) Arrange the choices of games in a table using tally marks.
(b) which game is liked by most of the students?
(c) which game is liked by a minimum number of students?

Q. After collection of data, we should check for sorting of the collected data before representing it on graphs.

1. False
2. True

Q.

Write the smallest and greatest $6$ digit number formed by using the digits $3,5,8,6,4,7$ as per the given condition-

$8$ in the thousands place

Q.

Question 88(iv)
The data given below shows the production of motorbikes in a factory for some months of two consecutive years.

Study the table given above and answer the following questions:
For which month was the difference between the production for the two years the maximum?

Q.

For every n whole numbers, what is the range?

Q.

Mean of 11, 10, 12, 12, 9, 10, 14, 12, 9 is ______ .

1. 14

2. 11

3. 10

4. 20

Q. Match the following words with their meanings :

Q. Which sorting algorithm fastest?

1. Selection sort
2. Quick sort
3. Heap Sort
4. Bubble sort

Q.

Question 88(vi)
The data given below shows the production of motorbikes in a factory for some months of two consecutive years.

Study the table given above and answer the following questions:
In which month of the year 2007, the production was the least?

Q.

Which of the following data sets are organised?

$\begin{array}{ccccccccccc}\text{Data set 1}& 5& 7& 12& 18& 25& 28& 34& 67& 78& 98\\ \text{Data set 2}& 101& 96& 76& 69& 56& 49& 44& 35& 23& 11\\ \text{Data set 3}& 2& 8& 54& 65& 32& 11& 13& 25& 4& 33\end{array}$

1. Sets 1 and 2

2. Sets 2 and 3

3. Sets 1 and 3

4. None of the above

Q.

Given below are the heights (in cm) of 20 boys of a class:

130 145 142 153 152 170 168 162 160 150

148 149 141 142 161 163 169 171 169 132

Arrange the above data in descending order and answer the questions given below:

(i) Which height has more than one student having it?

Q.

Which of the following data sets are organised?

$\begin{array}{ccccccccccc}\text{Data set 1}& 5& 7& 12& 18& 25& 28& 34& 67& 78& 98\\ \text{Data set 2}& 101& 96& 76& 69& 56& 49& 44& 35& 23& 11\\ \text{Data set 3}& 2& 8& 54& 65& 32& 11& 13& 25& 4& 33\end{array}$

1. Sets 1 and 3

2. None of the above

3. Sets 1 and 2

4. Sets 2 and 3

Q.

Organisation of data means:

1. all of the above

2. making it complex so that nobody else can understand it except you

3. making it easy to analyse

4. rearranging it randomly

Q. A shopkeeper purchased 15 apples for 160.50 rupees.What is the price of one apple?

1. 10.7 rupees
2. 10.9 rupees
3. 11.1 rupees
4. 11.4 rupees