Class mark of a particular class is 7.5 and the class size is 8, then the class interval is

3.5 - 15.5

No worries! We‘ve got your back. Try BYJU‘S free classes today!

12.5 - 18.5

No worries! We‘ve got your back. Try BYJU‘S free classes today!

3.5 - 11.5

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

15.5 - 27.5

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C
3.5 - 11.5

$C l a s s m a r k = 7.5 U p p e r l i m i t o f c l a s s = C l a s s m a r k + \frac{c l a s s s i z e}{2} = 7.5 + 4 = 11.5 L o w e r l i m i t o f c l a s s = C l a s s m a r k - \frac{c l a s s s i z e}{2} = 7.5 - 4 = 3.5$
Hence, the class interval is 3.5-11.5.

Suggest Corrections

Similar questions

Q. Class mark of a particular class is 6.5 and class size is 3 then class interval is:

Class mark of a particular class is 10.5 and class size is 7, then class interval is

Q. The class mark of a particular class is

17.5

and the class size is

5

. The class interval is:

The class size of a distribution is 25 and the first class- interval is 200- 224. There are seven class - intervals.
(i) Write the class - intervals.
(ii) Write the class - marks of each interval.

Q. (a)The class interval having highest frequency is-
(b)The class-mark of class 50-60 is-
(c)The size of each class intervals is-

Join BYJU'S Learning Program

Class mark of a particular class is 7.5 and the class size is 8, then the class interval is

The correct option is C 3.5 - 11.5 Class mark=7.5Upper limit of class=Class mark+class size2=7.5+4=11.5Lower limit of class=Class mark−class size2=7.5−4=3.5 Hence, the class interval is 3.5-11.5.