12th Standard Syllabus & Materials
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Published on: 03/09/2022
QB365 provides a detailed and simple solution for every Possible Creative Questions in Class 12 Business Maths Subject -Sampling Techniques and Statistical Inference, English Medium. It will help Students to get more practice questions, Students can Practice these question papers in addition to score best marks.
Download Tamil Nadu 12th 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.
The point estimate variance of 6.33, 6.37, 6.36, 6.32, 6.37 is
0.0022
0.00055
0.0055
0.055
2.
The point estimate means of 6.33, 6.37, 6.36, 6.32, 6.37 is ________
6.33
6.36
6.35
6.37
3.
The point estimate variance of 21, 25, 20, 16, 12, 10, 17, 18, 13 and 11 is _______
23.5
2.35
4.85
48.5
4.
The point estimate mean of the following data is __________.
21.1, 25.0, 20.0, 16.0, 12.0, 10.0, 17.0, 18.0, 13.0,11.0
16.3
13.6
21.21
212:10
5.
A sample of 100 students are drawn from 1550 student of a school. The mean weight and variance of the sample are 67.45 kg and 9 kg. Then the standard error is _________
.3
.9
.6745
6.745
6.
A random sample of 500 apples was taken from large consignment and 45 of them were found to be bad. Then the standard error is __________
0.033
0.0128
0.0128
0.00128
7.
Out of 1000 T.V viewers, 320 watched a particular programme. Then the standard error is __________
-0.147
0.147
0.0147
-0.0147
8.
The mean I.Q. of a sample of 1600 children was 99. It is likely that this was a r.sample from a population with mean I.Q. 100 and S.D 152 Then the value of Z is __________
-2.667
2.667
1.96
2.58
9.
If a random sample of size 64 is taken from a population whose standard deviation is 32, then the standard error of the mean is __________
0.5
2
4
32
10.
The Z-value that is used to establish a 95% confidence interval for the estimation of a population parameter is __________
1.28
1.65
1.96
2.58
11.
Which of the following statements is true?
point estimate gives a range of value
sampling is done only to estimate a statistic
sampling is done to estimate the population parameter
sampling is not possible for an infinite population
12.
The standard error of the sample mean is __________
Type I error
Type II error
Standard deviation of the sampling distribution of the mean
Variance of the sampling distribution of the mean.
13.
The number of ways in which one can select 2 customers out of 10 customers is __________
90
60
45
50
14.
Probability of rejecting null hypothesis. when it is true is _______
Type I error
Type II error
Sampling error
Standard error
15.
The central limit theorem states that the sampling distribution of the mean will approach normal distribution __________
as the size of the population increases
as the sample size increase and becomes larger
as the number of samples gets larger
as the sample size decreases
1.
(b)
0.00055
2.
(c)
6.35
3.
(a)
23.5
4.
(a)
16.3
5.
(a)
.3
6.
(b)
0.0128
7.
(c)
0.0147
8.
(a)
-2.667
9.
(c)
4
10.
(c)
1.96
11.
(c)
sampling is done to estimate the population parameter
12.
(c)
Standard deviation of the sampling distribution of the mean
13.
(c)
45
14.
(a)
Type I error
15.
(b)
as the sample size increase and becomes larger
12th Standard Syllabus & Materials
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Tamilnadu Stateboard 12th Standard Subjects

Maths

Chemistry

Physics

Biology

Computer Science

Business Maths and Statistics

Economics

Commerce

Accountancy

History

Computer Applications

Biology

Computer Technology

Computer Applications

Computer Science

Business Maths and Statistics

Commerce

Economics

Maths

Chemistry

Physics

Computer Technology

History

Accountancy

Tamil

English

French
Tamilnadu Stateboard Standards