Raw Data

Q. The data recorded in the original form is called _________.

1. Raw data
2. Frequency
3. Tabulation
4. Collection

Q.

When the information is collected from a source, which already has gathered it, such data is called as secondary data. True or False?

1. True
2. False

Q. Some tips to remember before mathematics paper

Q. The raw data when put in ascending or descending order of magnitude is called _____________ data.

1. Primary
2. Secondary
3. Arrayed
4. Grouped

Q. Define raw data.

Q. In a college, 400 students are randomly selected. It was found that 240 like tea, 220 like coffee, and 100 like both tea and coffee. Find out how many students like at least one of the two beverages.

1. 360
2. 240
3. 180
4. 260

Q. Give four examples of data that one can collect from day to day life.
[4 MARKS]

Q. When the raw data is arranged in ascending or descending order, then the data is called _____.

1. processed data
2. arrayed data
3. raw data
4. secondary data

Q.

The following graph shows the marks obtained by Pranay in his final examination.

Name the subjects in which Pranay scored the maximum and minimum marks ?

Q. More data helps us to draw predictions _____.

1. more accurately.
2. more inaccurately
3. less accurately
4. inaccurately

Q. Data collected randomly from sources is called _____.

1. hypothetical data
2. qualitative data
3. raw data
4. organised data

Q.

Moden paper

Q.

Data recorded in an unorganised manner is called

1. organised data

2. Meaningful data

3. Processed data

4. Raw data

Q.

Data arranged in an unorganised manner is called

1. organised data

2. Meaningful data

3. Processed data

4. Raw data

Q.

The double bar graph given below gives the number of men and women visiting a sports complex during last week. Can you spot the day when the number of men was equal to the number of women?

1. Sunday

2. Monday

3. Thursday

4. Friday

Q. A survey is being conducted in a city, for identifying the famous dish of the city.

Choose the option which represents population.

1. All the women in the city
2. All the men in the city
3. 500 randomly chosen people in the city
4. All the people in the city

Q. For predicting the weather at a certain place why do you need additional information regarding the geography and the current season in that place?

1. The information is stored so that it is useful for future.
2. The geography and the seasons are analysed to make an accurate weather prediction in that area.
3. More data is more fun!
4. More data help to get more accuracy.

Q. The data obtained from the register with a security guard regarding the number of people present at different times of the day will be classified under ___ .

1. Tertiary Data
2. None of these
3. Secondary Data
4. Primary Data

Q. Find the mean proportional between:

(i) 6 and 24
(ii) 3 and 27
(iii) 0.4 and 0.9

Q. The count of a particular element occuring in a dataset is called its _______.

1. interval
2. frequency
3. range
4. raw data

Q. What is the mean speed of three cars which are travelling at 55, 65, and 60 kilometres per hour?

1. 57.5 km/hr
2. 60 km/hr
3. 65 km/hr
4. 55 km/hr

Q.

FIND THE MEDIAN OF FIRST HUNDERED WHOLE NUMBERS

Q. Choose the correct data required to answer the following question.

'Which of the two desserts is preferred more for the students, ice- cream or cookie?'

1. Total number of students
2. Preference of all the students
3. Number of boys and girls among the students
4. Preference of boys among the students

Q.

Data can be?

1. Facts

2. Figures

3. Numericals

4. All of these

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

1. False
2. True

Q.

Data collected randomly from sources is called _____ data.

1. hypothetical

2. qualitative

3. raw

4. organised

Q.

The more data we have regarding something, the less accurate predictions we can make.

1. False

2. True

Q. Data collected randomly from sources is called _____.

1. hypothetical data
2. qualitative data
3. raw data
4. organised data

Q. Find the median of first 50 whole numbers.

Q.

The data obtained from the register with a security guard, regarding the number of people present at different times of the day will be classified under ____.

1. Primary Data

2. Secondary Data

3. Both A and B

4. None of these