Statistics 2 Mark Each

The data regarding the students studying in a school according to their standard are as under. Present it through a bar diagram.

Standard	9	10	11	12
No. of students	65	60	55	50

Present the following data by a suitable diagram :

Year	Fishery Production
2014	50,000
2015	1,00,000
2016	1,50,000
2017	2,50,000

The following frequency distribution refers to the absence of teachers in the academic staff of a school during 30 days. Prepare cumulative frequency distribution of 'more than type'.

No. of absent days	0	1	2	3	4	5	6
No. of teachers	5	7	5	6	4	2	1

Frequency distribution of number of cars arrived on different days at a service station is as follows.

No. of cars	5	6	7	8	9	10
No. of days	5	10	15	8	7	5

Complete the following table :

	Worker						Total
	Local			Non-local
	Men	Women	Total	Men	Women	Total	Men	Women	Total
2010	1200		1500	300		500
2015		600		300	100		2300

There were 1400 students studying in a commerce
college. Of them, 500 were in First year B.Com., 450
were in Second year B.Com. and remaining were in
Third year B.Com. Present this information in a table.

Find classlength of each class for the following frequency distribution :

Class	0-9	29-Oct	30-34	35-49	50-70
Frequency	20	30	30	15	5

Find midvalues of classes for the following frequency distribution :

Class	0-4	19-May	20-29	30-54	55-70
Frequency	5	10	15	8	2

State the importance of diagram in Statistics.

Write the formulae for obtaining class boundry points
when midvalue of a class and its class length are given.

Differentiate the following into variable or attribute.
(1) Anger(2) Love(3) Saving(4) Price of an item
(₹)(5) Expenditure(6) Marital status(7) Failure(8)
Temperature

Differentiate between qualitative data and quantitative data.

Explain ungrouped data with an illustration.

Define discrete and continuous variable.