CBSE Questions for Class 9 Maths Statistics Quiz 10 - MCQExams.com

The class mark of the class $$15.5 - 25.5$$ is equal to :
  • $$41$$
  • $$20$$
  • $$20.5$$
  • $$5$$
How many boys attended the 1995 convention?
537597.PNG
  • 358
  • 390
  • 407
  • 540
  • 716
In the given ungrouped data $$5, 4, 3, 1, 5, 3, 2, 5, 5, 1, 5, 5,$$ the frequency of $$5$$ is equal to :
  • $$6$$
  • $$3$$
  • $$4$$
  • $$2$$
The range is defined as :
  • the product of lower limit and upper limit
  • the average of the lowest and highest frequency
  • the difference of maximum and minimum values from the data
  • None of the above
The frequency of the class interval $$ 3 -5$$ in the following distribution is :
$$5, 5, 6, 4, 9, 5, 3, 2, 7, 6, 3, 8, 4$$
  • $$3$$
  • $$4$$
  • $$6$$
  • $$7$$
Range of the data $$6, 1, 2, 3, 9, 8, 3, 4, 8, 2, 3$$ is :
  • $$4$$
  • $$8$$
  • $$7$$
  • $$6$$
Rudra is looking for a hotel for a vacation. He can do this in two ways.
Call prospective hotels and ask for their tariffs.
Check a booking website and check the tariffs of many hotels together.
  • Both are primary data.
  • Both are secondary data.
  • 1 is primary data and 2 is secondary data.
  • 2 is primary data and 1 is secondary data
Ramya wanted to group the students in her class on the basis of height. She checked the semi-annual class records to collect this data.
What kind of data did she collect?
  • Primary data
  • Secondary data
  • Statistical data
  • Ungrouped data
Ramya wanted to group the students in her class on the basis of height. For this, she asked every student their height in inches.
What kind of data did she collect?
  • Primary data
  • Secondary data
  • Ungrouped data
  • Forecast data
When the information was collected by the investigator herself or himself with a definite objective in her or his mind, the data obtained is called
  • Primary data
  • Secondary data
  • Ungrouped data
  • Grouped data
You are asked to do a door-to-door survey in your neighborhood regarding what precautions they have taken to protect themselves from COVID-19.
What kind of data will you collect?
  • Primary data
  • Secondary data
  • Ungrouped data
  • Prevention data
On a website, each visitor has to fill a survey regarding the advertisements they usually come across on the website. 
This type of data is
  • Primary data
  • Secondary data
  • Ungrouped data
  • None of these
The data which is collected from pre-recorded data, collected for a different purpose, is called
  • Primary data
  • Secondary data
  • Ungrouped data
  • Borrowed data
The government decides the mortality rate in India using the data collected for the census every few years.
This type of data is called
  • Primary data
  • Secondary data
  • Population data
  • Government data
The census of India is made by collecting data door-to-door from every household in the country. This type of data is
  • Primary data
  • Secondary data
  • Indian data
  • Census data
Collecting data from pre-recorded data, collected for some other purpose.
Collecting data first-hand for a specific purpose.
  • 1 and 2, both are Secondary data
  • 1 and 2, both are Primary data
  • 1 is Secondary and 2 is Primary data
  • 2 is Secondary and 1 is Primary data
Sub divided bar diagrams presented graphically on percentage basis gives:
  • histogram
  • pictogram
  • percentage bar diagram
  • pie diagram
Read the following news report and answer on the basis of the same: For an examination, 60 students of a school appeared. Marks obtained by the 12 students were 25 each. The number of students who scored 20 and 5 each was three more than the students who scoredAlso, 8 students who scored 10 marks each. The students who scored 15 marks each were half the students who scored 10 each and remaining students had scored 30 each. Answer the following question:
The value of mean will be:
  • 18.583
  • 17.583
  • 16.583
  • 15.583
The average marks of 100 students in a class areBut while calculating it, the marks of a student were written 73 instead ofFind out the corrected arithmetic mean.
  • 76
  • 48
  • 48.80
  • 47.80
If the student wants to raise his total score upto $$225$$, then how many more marks should he score?
723227_be999b28827340fc9bb2e0b1a2ec487f.png
  • $$125$$
  • $$100$$
  • $$200$$
  • $$25$$
Examine the graph and determine which of the following is true. 
537607.PNG
  • (c) minus (b) equals (b) minus (d)
  • (a) plus (d) equals (c)
  • (c) minus (d) equals (a)
  • (a) plus (b) equals (c) plus (d)
Which two years did the least number of boys attend the convention?
537599.PNG
  • 1995 and 1996
  • 1995 and 1998
  • 1996 and 1997
  • 1996 and 1992
  • 1997 and 1998
Highest marks are scored in ______ .
723227_be999b28827340fc9bb2e0b1a2ec487f.png
  • English
  • Hindi
  • Maths
  • None of these
How many more students like Basketball than Cricket?
723204_aa09f48d9af646e0ac35b49769286f71.png
  • $$60$$
  • $$120$$
  • $$20$$
  • $$40$$
If the maximum number of marks is $$50$$ in each subject, then in how many subjects student scored more than half of maximum marks?
723227_be999b28827340fc9bb2e0b1a2ec487f.png
  • $$1$$
  • $$2$$
  • $$3$$
  • $$4$$
Which month maximum rainfall?
723211_39c412d9785744dca85c8908156620be.png
  • April
  • July
  • August
  • September
If the minimum marks for passing in each subject is $$14$$, then in how many subject/subjects did he fail?
723227_be999b28827340fc9bb2e0b1a2ec487f.png
  • $$1$$
  • $$2$$
  • $$0$$
  • None of these
0:0:1


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