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ICS Part 2 Statistics Online
Chapter 12 Test
Start Chapter
12 Test
ICS Part 2 Statistics Chapter Wise Online
MCQ's Test
MCQ's Test For Chapter 0 "ICS Part 2 Statistics Chapter 12 Online Test"
Try The MCQ's Test For Chapter 0 "ICS Part 2 Statistics Chapter 12 Online Test"
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Total Questions17
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Time Allowed20
ICS Part 2 Statistics Chapter 12 Online Test
00:00
Question # 1
Estimation is of two types:
Question # 2
The probability associated with confidence interval is called:
Question # 3
If (1-α) is increased, the with of a confidence interval is:
Question # 4
Confidence intervals which are often used in practice are
Question # 5
By increasing the sample size, the precision of confidence interval is:
Question # 6
Statistical inference has two branches namely:
Question # 7
The precision can be increased by ---------------- the sample size
Question # 8
(1-α) is called:
Question # 9
The process of making estimates about the population parameter from a sample is called:
Question # 10
If the observations are paired and the number of pairs is n, then the number of degree of freedom is equal to
Question # 11
The difference of upper and lower limits of confidence interval measures the
Question # 12
The distance between an estimate and the estimated parameter is called:
Question # 13
Large sample contains more than
Question # 14
Types of statistical inferences are
Question # 15
Level of significance is denoted by
Question # 16
If population proportion (P) is unknown, the standard error of the sample proportion (p) can be estimated by the formula
Question # 17
An estimator is ------------ if its expected value is equal to the population parameter to be estimated
ICS Part 2 Statistics Chapter 12 Online Test MCQ's
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ICS Part II Statistics Chapter 0 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | A specific value of an estimator computed from the sample data is called |
A. estimation
B. estimate
C. interval estimate
D. point estimate
|
| 2 | Statistic is an estimator and its calculated value is called: |
A. Biased estimate
B. Estimation
C. Interval estimate
D. Estimate
|
| 3 | Small sample has less than |
A. 50 values
B. 45 values
C. 30 values
D. 35 values
|
| 4 |
|
A. biased
B. unbiased
C. positively biased
D. none of these
|
| 5 | By increasing the sample size, the precision of confidence interval is: |
A. Decreased
B. Increased
C. Constant
D. Unchanged
|
| 6 | The following statistic are unbiased estimators: |
A. The Sample mean
B. S2 = Σ(X - X)2/n-1
C. The sample proportion
D. All the above
|
| 7 | 100(1-α)% confidence interval for population proportion of success,&=nbsp;π is |
A. P (L <μ < U) = 1 - α
B. P (L <σ < U) = 1 - α
C. P (L <π< U) = 1 - α
D. P (L <P&=nbsp;< U) = 1 - α
|
| 8 | Estimate is the observed value of an: |
A. Unbiased estimator
B. Estimation
C. Estimator
D. Interval estimation
|
| 9 |
|
A. best estimators
B. biased estimators
C. unbiased estimators
D. normal estimators
|
| 10 | If population proportion (P) is unknown, the standard error of the sample proportion (p) can be estimated by the formula |
Test Questions