Correct Marks 1
Incorrectly Marks 0
Q 1. The number of times a particular entry occurs in a set of data is known as its:
range
class-size
frequency
class-interval
Correct Marks 1
Incorrectly Marks 0
Q 2. The difference between the highest and the lowest values of the observations in a given set of data is called as :
range
frequency
class-size
class-interval
Correct Marks 1
Incorrectly Marks 0
Q 3. The mid-value of a class-interval is called as :
class-limit
class-mark
class-width
range
Correct Marks 1
Incorrectly Marks 0
Q 4. The difference between upper and lower class limits of a group is called :
class-limit
class-size
class-interval
class-mark
Correct Marks 1
Incorrectly Marks 0
Q 5. Each group of a grouped frequency distribution is called :
class-limit
class-size
class-interval
class-mark
Correct Marks 1
Incorrectly Marks 0
Q 6. A pictorial representation of the grouped data in which rectangles are formed with class intervals as the bases and the corresponding frequencies as the heights are known as
bar graph
pie chart
histogram
none of these
Correct Marks 1
Incorrectly Marks 0
Q 7. A circle divided into as many sectors as there are classes in frequency distribution and size of sector proportional to the frequency of the class is known as
golden circle
pie chart
frequency circle
super circle
Correct Marks 1
Incorrectly Marks 0
Q 8. The word experiment means
two chemical reacts to give a new product
two organic chemical react to give a new product
an operation which can produce some well define outcomes
none of these
Correct Marks 1
Incorrectly Marks 0
Q 9. When we perform an experiment then outcomes are known as equally liked if
there is only one outcome
all outcomes are same
each outcome has the same chance of occurrence
none of these