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TN 11th Tamil இயற்கை வேளாண்மை,சுற்றுச்சூழல் -செய்யுள் - மனோன்மணீயம் Important Questions And Answers Study Material - QB365 Set A
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TN 11th Tamil என்னுயிர் என்பேன் -துணைப்பாடம் - இசைத்தமிழர் இருவர் Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil மொழி கலை -செய்யுள் - ஒவ்வொரு புல்லையும் Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil பீடு பெற நில் - இலக்கணம் - பகுபத உறுப்புகள் Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil பீடு பெற நில் - துணைப்பாடம் - வாடிவாசல் Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil பீடு பெற நில் - செய்யுள் - குறுந்தொகை Important Questions And Answers Study Material - QB365 Set A
Published on: 29/08/2019
Descriptive Statistics and Probability
Download Tamil Nadu 11th Standard Business Maths and Statistics question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Business Maths and Statistics Test
1.
Harmonic mean is better than other means if the data are for _________.
Speed or rates.
Heights or lengths.
Binary values like 0 and 1
Ratios or proportions.
2.
If the mean of 1,2,3,.......n is\(\frac { 6n }{ 11 } \), then the value of n is _________.
10
12
11
13
3.
The mean of the values 11,12,13,14 and 15 is _________.
15
11
12.5
13
4.
The median of 10,14,11,9,8,12,6 is _________.
10
12
14
9
5.
Median is same as _________.
Q1
Q2
Q3
D2
6.
Harmonic mean is the reciprocal of _________.
Median of the values.
Geometric mean of the values.
Arithmetic mean of the reciprocal of the values.
Quartiles of the values.
7.
8.
When an observation in the data is zero, then its geometric mean is
Negative
Positive
Zero
Cannot be calculated
9.
When calculating the average growth of economy, the correct mean to use is?
Weighted mean
Arithmetic mean
Geometric mean
Harmonic mean
10.
Which of the following is positional measure?
Range
Mode
Mean deviation
Percentiles
1.
(a)
Speed or rates.
2.
\(\bar{x}=\frac{1+2+3+.....n}{n}\)
\(\frac{6n}{11}=\frac{n(n+)}{2n}\)
2 x 6n = 11n x 11
12n - 11n = 11 \(\Rightarrow\) n = 11
3.
\(\bar{x}=\frac{11+12+13+14+15}{5}=\frac{65}{5}=13\)
4.
6, 8, 9, 10, 11, 12, 14
\(\therefore \) Median = 10
5.
(b)
Q2
6.
(c)
Arithmetic mean of the reciprocal of the values.
7.
(d)
8.
(c)
Zero
9.
(c)
Geometric mean
10.
(d)
Percentiles
11th Standard Syllabus & Materials
11th Standard
TN 11th Tamil பீடு பெற நில் - செய்யுள் - காவடிச்சிந்து Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil பீடு பெற நில் - உரைநடை - மலை இடப்பெயர்கள் : ஓர் ஆய்வு Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil மாமழை போற்றுதும் - துணைப்பாடம் - யானை டாக்டர் Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil மாமழை போற்றுதும் - செய்யுள் - ஐங்குறுநூறு Important Questions And Answers Study Material - QB365 Set A
Tamilnadu Stateboard 11th Standard Subjects
Maths
Commerce
Economics
Biology
Business Maths and Statistics
Accountancy
Computer Science
Physics
Chemistry
Maths
Biology
Economics
Physics
Chemistry
History
Business Maths and Statistics
Computer Science
Accountancy
Computer Applications
History
Computer Technology
Commerce
Computer Applications
Computer Technology
Tamil
English
French
Tamilnadu Stateboard Standards
