2nd Year Statistics Chapter 12 Online MCQ Test for 12th Class Statistics Chapter 12 (Estimation)

ICS Part 2 Statistics Online
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MCQ's Test For Chapter 0 "ICS Part 2 Statistics Chapter 12 Online Test"

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ICS Part 2 Statistics Chapter 12 Online Test

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Question # 1

Small sample has less than

Question # 2

The distance between an estimate and the estimated parameter is called:

Question # 3

Confidence intervals which are often used in practice are

Question # 4

If 1-α = 0.90, the value of Za/2 is:

Question # 5

A range of values used to estimate an unknown population parameter is

Question # 6

The process of making estimates about the population parameter from a sample is called:

Question # 7

100(1-α)% confidence interval for population proportion of success,&=nbsp;π is

Question # 8

A single value used to estimate a population value is called:

Question # 9

A specific value of an estimator computed from the sample data is called

Question # 10

Level of significance is denoted by

Question # 11

Estimation is of two types:

Question # 12

If mean of the sampling distribution is equal to the parameter then the estimator will be

Question # 13

Large sample contains more than

Question # 14

If (1-α) is increased, the with of a confidence interval is:

Question # 15

Estimate is the observed value of an:

Question # 16

If population proportion (P) is unknown, the standard error of the sample proportion (p) can be estimated by the formula

Question # 17

The probability associated with confidence interval is called:

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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 Small sample has less than
A. 50 values
B. 45 values
C. 30 values
D. 35 values
2 By increasing the sample size, the precision of confidence interval is:
A. Decreased
B. Increased
C. Constant
D. Unchanged
3 The difference of upper and lower limits of confidence interval measures the
A. level of significance
B. level of confidence
C. interval
D. precision
4 Confidence intervals which are often used in practice are
A. 90%
B. 95%
C. 98%
D. all of these
5 If the observations are paired and the number of pairs is n, then the number of degree of freedom is equal to
A. n
B. n - 1
C. 2n
D. 2n - 1
6 The endpoints of a confidence interval are called:
A. confidence coefficient
B. Confidence limits
C. Error of estimation
D. Parameters
7 The distance between an estimate and the estimated parameter is called:
A. Sampling error
B. Standard error
C. Bias
D. Error of estimation
8 The process of making estimates about the population parameter from a sample is called:
A. Statistical independence
B. Statistical inference
C. Statistical hypothesis
D. Statistical decision
9 (1-α) is called:
A. Critical value
B. Level of significance
C. Level of confidence
D. Interval estimate
10 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

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