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Estimation of Parameters

Authored by Andrea Reyes

Mathematics

11th Grade

Used 15+ times

Estimation of Parameters
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10 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Estimation is a procedure where a numerical value or values are assigned to the population parameter based on the information collected from a sample. it is also a procedure where numerical value or values are assigned to the sample statistic based on the information collected from a sample.

The first statement is true, the second statement is false.

The first statement is false, the second statement is true.

Both statements are true.

Both statements are false.

Answer explanation

The first statement is true, the second statement is false.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a point estimate?

Average of sample values

Average of population values

A single value that represents the unknown sample statistic.

A single value that represents the unknown population parameter.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

It refers to a range of values that contains the parameter value.

Confidence limit     

Confidence interval

Confidence coefficient

Confidence level

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

It is a property of a point estimator that occurs whenever large sample sizes tend to provide point estimates which is closer to the population parameter.

Consistency

Efficiency

Relative estimation

Unbiased

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Given these information: sample size of 60, population standard deviation of 0.25 and the sample mean which is 25, find the 95% confidence interval of the population mean.

64.94 to 65.06

64.92 to 65.08

24.94 to 25.06

24.92 to 25.08

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the t-value associated with 90% confidence and with the sample size of 15?

1.341

1.345

1.761

1.783

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the margin of error of a population proportion is 6%, what is the length of the confidence interval?

11%

12%

13%

None

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