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All questions of Planning and Collecting Data for Class 8 Exam
Which of the following methods involves gathering responses from people to understand their opinions or behaviors?- a)Observations
- b)Experiments
- c)Surveys and Questionnaires
- d)Interviews
Correct answer is option 'C'. Can you explain this answer?
Which of the following methods involves gathering responses from people to understand their opinions or behaviors?
a)
Observations
b)
Experiments
c)
Surveys and Questionnaires
d)
Interviews
 | Torcia Education answered |
Surveys and questionnaires are tools used to collect data by asking people about their opinions, behaviors, or preferences.
Which of the following is NOT an ethical consideration in data collection?- a)Privacy
- b)Bias
- c)Accuracy
- d)Convenience
Correct answer is option 'D'. Can you explain this answer?
Which of the following is NOT an ethical consideration in data collection?
a)
Privacy
b)
Bias
c)
Accuracy
d)
Convenience
| | Torcia Education answered |
Ethical considerations in data collection include respecting privacy, avoiding bias, and ensuring accuracy. Convenience is not an ethical consideration.
When the tally strokes are counted, the totals for each category are recorded in a column headed .......- a)frequency
- b)number
- c)total
- d)type
Correct answer is option 'A'. Can you explain this answer?
a)
frequency
b)
number
c)
total
d)
type
| | Torcia Education answered |
It's a good idea to get used to using this word
The numbers for each type of transport are recorded on a tally chart. Tally strokes are written in groups of .......- a)3
- b)4
- c)5
- d)6
Correct answer is option 'C'. Can you explain this answer?
a)
3
b)
4
c)
5
d)
6
| | Torcia Education answered |
Five bar gates make the tally marks much easier to count
What is one of the main reasons for conducting interviews as a data collection method?- a)To gather numerical data
- b)To observe natural behavior
- c)To gather detailed and personal information
- d)To test a hypothesis under controlled conditions
Correct answer is option 'C'. Can you explain this answer?
What is one of the main reasons for conducting interviews as a data collection method?
a)
To gather numerical data
b)
To observe natural behavior
c)
To gather detailed and personal information
d)
To test a hypothesis under controlled conditions
| | Torcia Education answered |
Interviews are used to collect detailed and personal information through direct conversations with individuals.
To be useful, a questionnaire should be given to a suitable number of people, called the .......- a)assortment
- b)average
- c)sample
- d)share
Correct answer is option 'C'. Can you explain this answer?
a)
assortment
b)
average
c)
sample
d)
share
| | Torcia Education answered |
Choosing the size of your sample is an important part of the survey preparation
Which method of collecting data involves controlling variables to test a hypothesis?- a)Surveys and Questionnaires
- b)Observations
- c)Experiments
- d)Interviews
Correct answer is option 'C'. Can you explain this answer?
Which method of collecting data involves controlling variables to test a hypothesis?
a)
Surveys and Questionnaires
b)
Observations
c)
Experiments
d)
Interviews
| | Torcia Education answered |
Experiments involve controlling variables to test specific hypotheses, such as testing plant growth under different light conditions.
50% of pupils are girls. In a sample of 10% of pupils, how many girls will you ask to fill in the questionnaire?- a)30
- b)40
- c)50
- d)60
Correct answer is option 'C'. Can you explain this answer?
a)
30
b)
40
c)
50
d)
60
| | Torcia Education answered |
10% of 1,000 = 100 and half of them should be girls
When carrying out a survey to gather several pieces of information about a subject, you can design a .......- a)qualification
- b)questionnaire
- c)query
- d)quintuplet
Correct answer is option 'B'. Can you explain this answer?
a)
qualification
b)
questionnaire
c)
query
d)
quintuplet
| | Torcia Education answered |
A questionnaire is a set of questions made specifically to gather data
What type of data cannot be measured and is descriptive?- a)Quantitative Data
- b)Qualitative Data
- c)Numerical Data
- d)Secondary Data
Correct answer is option 'B'. Can you explain this answer?
What type of data cannot be measured and is descriptive?
a)
Quantitative Data
b)
Qualitative Data
c)
Numerical Data
d)
Secondary Data
| | Torcia Education answered |
Qualitative data is descriptive and cannot be expressed numerically, such as colors or opinions.
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