EASY

Earn 100

The average of salaries in a factory is $Rs . 47, 000$ . The statement that the average salary $Rs . 47, 000$ is __________

50% studentsanswered this correctly

Important Questions on Statistics

EASY

Mathematics>Statistics and Probability>Statistics>Collection of Data

In an examination,

20 %

of the students scored

70

marks,

40 %

scored

80

marks,

30 %

scored

90

marks and the rest scored

100

marks. Then the mean score of the students is

EASY

Mathematics>Statistics and Probability>Statistics>Collection of Data

The data collected from which one of the following methods is not a primary data ?

EASY

Mathematics>Statistics and Probability>Statistics>Collection of Data

Census reports are used as a source of _________ data

EASY

Mathematics>Statistics and Probability>Statistics>Collection of Data

The daily wage of a person in rural area is Rs. 200 an the poverty line for a person is fixed at Rs. 800 per month for rural areas. Following table shows the detail of employment of four families living in a village. Identify the family living below poverty line:

Family	Total days of Employment of got in a month by the family	Members of family
Ram	10	2
Radha	18	3
Raju	12	4
Pooja	25	5

EASY

Mathematics>Statistics and Probability>Statistics>Collection of Data

____means separating items according to similar characteristics grouping them into various classes.

EASY

Mathematics>Statistics and Probability>Statistics>Collection of Data

Arrange the following households in ascending order of per capita income.

Name of Household	Total Income of Household	Size of the Household
Rajat	6000	5
Raman	5000	5
Suman	3200	4
Priya	8400	6

EASY

Mathematics>Statistics and Probability>Statistics>Collection of Data

Data collected on religion from the census reports are

EASY

Mathematics>Statistics and Probability>Statistics>Collection of Data

Ten matches data is given. Then which of the following cannot be found?

EASY

Mathematics>Statistics and Probability>Statistics>Collection of Data

You are an auditor of a firm and the firm earns a profit

Rs . 67, 000 / -

you stated to them that the annual profit is

Rs . 67, 000

. This is_________ type of statics.

HARD

Mathematics>Statistics and Probability>Statistics>Collection of Data

The standard deviation of the data

6, 5, 9, 13, 12, 8, 10

EASY

Mathematics>Statistics and Probability>Statistics>Collection of Data

Fisher's ideal formula does not satisfy test______.

MEDIUM

Mathematics>Statistics and Probability>Statistics>Collection of Data

The sale of cold drink could go up in summers and go down in the winters is an example of _____.

EASY

Mathematics>Statistics and Probability>Statistics>Collection of Data

Expenditures of a Company (in Million Rupees) per item in various Years

Year	Item of Expenditures
	Salary	Fuel and Transport	Bonus	Interest on Loans	Taxes
$1998$	$288$	$98$	$3.00$	$23.4$	$83$
$1999$	$342$	$112$	$2.52$	$32.5$	$108$
$2000$	$324$	$101$	$3.84$	$41.6$	$74$
$2001$	$336$	$133$	$3.68$	$36.4$	$88$
$2002$	$420$	$420$	$3.96$	$49.4$	$98$

What is the average amount of interest per year which the company had to pay during this period?

EASY

Mathematics>Statistics and Probability>Statistics>Collection of Data

If Samir withdraws

Rs . 25, 000

from his bank account by submitting a self cheque in bank for making payments and he also gave a account Pay cheque for

Rs . 52, 000

issued by his employer in his favour. Now what happens to the Balance in his account?

MEDIUM

Mathematics>Statistics and Probability>Statistics>Collection of Data

The value of the base time period serves as a standard point of comparison:

EASY

Mathematics>Statistics and Probability>Statistics>Collection of Data

The total number of live births in a specific locality during different months of a specific year was obtained from the office of the Birth Registrar. This set of data may be called:

MEDIUM

Mathematics>Statistics and Probability>Statistics>Collection of Data

Seasonal variations can occur within a period of

EASY

Mathematics>Statistics and Probability>Statistics>Collection of Data

The mean of the