Give five examples of primary data that you can collect from your day-to-day life.
(N/A) Primary data is the data collected by the investigator herself or himself for a specific purpose. Five examples of primary data from day-to-day life are:
$1$. Number of students in your class who wear spectacles.
$2$. Number of family members in the houses of your neighborhood.
$3$. Number of hours you spend studying each day for a week.
$4$. Number of vehicles passing through your street in a specific hour.
$5$. Number of goals scored by your favorite football team in their last $5$ matches.
$1$. Number of students in your class who wear spectacles.
$2$. Number of family members in the houses of your neighborhood.
$3$. Number of hours you spend studying each day for a week.
$4$. Number of vehicles passing through your street in a specific hour.
$5$. Number of goals scored by your favorite football team in their last $5$ matches.
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Similar Questions
The following table gives the distribution of students of sections $A$ and $B$ of a class according to the marks obtained by them.
Marks Section $A$ Frequency Section $B$ Frequency $0-15$ $3$ $3$ $15-30$ $12$ $16$ $30-45$ $28$ $25$ $45-60$ $30$ $27$ $60-75$ $35$ $40$ $75-90$ $13$ $10$
Represent the marks of the students of both the sections on the same graph by two frequency polygons. What do you observe?
| Marks | Section $A$ Frequency | Section $B$ Frequency |
|---|---|---|
| $0-15$ | $3$ | $3$ |
| $15-30$ | $12$ | $16$ |
| $30-45$ | $28$ | $25$ |
| $45-60$ | $30$ | $27$ |
| $60-75$ | $35$ | $40$ |
| $75-90$ | $13$ | $10$ |
Represent the marks of the students of both the sections on the same graph by two frequency polygons. What do you observe?
Difficult
View SolutionTo present a large amount of data so that a reader can make sense of it easily,the variable values are condensed into groups called ..........
Easy
View SolutionThe expenditure of a family on different heads in a month is given below:
Head Expenditure (in $Rs$) Food $4000$ Education $2500$ Clothing $1000$ House Rent $3500$ Others $2500$ Savings $1500$
Draw a bar graph to represent the data above.
| Head | Expenditure (in $Rs$) |
|---|---|
| Food | $4000$ |
| Education | $2500$ |
| Clothing | $1000$ |
| House Rent | $3500$ |
| Others | $2500$ |
| Savings | $1500$ |
Draw a bar graph to represent the data above.
Medium
View SolutionThe scores (out of $100$) obtained by $33$ students in a mathematics test are as follows:
$69, 48, 84, 58, 48, 73, 83, 48, 66, 58, 84$
$66, 64, 71, 64, 66, 69, 66, 83, 66, 69, 71$
$81, 71, 73, 69, 66, 66, 64, 58, 64, 69, 69$
Represent this data in the form of a frequency distribution table.
$69, 48, 84, 58, 48, 73, 83, 48, 66, 58, 84$
$66, 64, 71, 64, 66, 69, 66, 83, 66, 69, 71$
$81, 71, 73, 69, 66, 66, 64, 58, 64, 69, 69$
Represent this data in the form of a frequency distribution table.
Medium
View SolutionIn a histogram, the areas of the rectangles are proportional to the frequencies. Can we say that the lengths of the rectangles are also proportional to the frequencies?
Easy
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