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# STA 301 Quiz # 01 Opening date 20-11-2014 close date 21-11-2014 11.59pm Share your quizes and discuss

STA 301 Quiz # 01 Opening date 20-11-2014 close date 21-11-2014 11.59pm Share your quizes and discuss

+ http://bit.ly/vucodes (Link for Assignments, GDBs & Online Quizzes Solution)

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This is guide for quiz or the quiz you attempted?

How many questions are there in this quiz 1?

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good work

Here is my 1st Quizz verify all answers yourself.

Observed data organized into tabular form is called:
A bar chart

Calculate range for the following data: 22, 22, 30, 32, 37, 48, 60, 88, 90
68

Ranking scale also include the properties of which scale?
*Nominal scale
Interval scale
Ratio scale
All of these

The sum of squared deviations from mean is:
Zero

The difference between estimated value and the population value is called
Random Error

The value of the middle term in a ranked (ordered) data set is called the:
Median

Half of the observations are always larger than:
Median

In a symmetrical distribution 5th decile equals to:
Median

For the given set of observations 1,4,4,4 and 7, it can be said that the:
mean is larger than either median or mode

For given data, discuss the shape of the distribution: X f 0 2 1 3 2 5 3 7 4 5 5 3 6 2
Symmetric curve

gooooddddd no dear,

The sum of squared deviations from mean is Maximum  1. A quantity obtained by applying certain rule or formula is known as

Select correct option:

Estimate

Estimator

2. Criteria to check a point estimator to be good involves

Select correct option:

Consistency

Unbiasedness

Efficiency

Above all pg 258

3. The F-distribution always ranges from:

Select correct option:

0 to 1

0 to -8

-8 to +8

0 to +8

5. Parameter is a ………quantity.

Select correct option:

Constant

Variable

6. To find the estimate of a parameter…….methods are used.

Select correct option:

Two

Three

Four

Many

7. A failing student is passed by an examiner. It is an example of:

Select correct option:

Type I error

Type II error

Correct decision

No information regarding student exams

8. For two mutually exclusive events A and B, P (A) = 0.2 and P (B) = 0.4, then P(AUB) is:

Select correct option:

0.8

0.2

0.6

0.5

P(AUB)=P(A)+p(B)=0.2+0.4=0.6

9. An urn contains 4 red balls and 6 green balls. A sample of 4 balls is selected from the urn

without replacement. It is the example of:

Select correct option:

Binomial distribution

Hypergrometric distribution

Poisson distribution

Exponential distribution

12. The mean deviation of the normal distribution is approximately:

Select correct option:

7/8 of the S.D

4/5 of the S.D

3/4 of the S.D

1/2 of the S.D

Observed data organized into tabular form is called:
A bar chart

Calculate range for the following data: 22, 22, 30, 32, 37, 48, 60, 88, 90
68

Ranking scale also include the properties of which scale?
*Nominal scale
Interval scale
Ratio scale
All of these

The sum of squared deviations from mean is:
Zero

The difference between estimated value and the population value is called
Random Error

The value of the middle term in a ranked (ordered) data set is called the:
Median

Half of the observations are always larger than:
Median

In a symmetrical distribution 5th decile equals to:
Median

For the given set of observations 1,4,4,4 and 7, it can be said that the:
mean is larger than either median or mode

Observed data organized into tabular form is called:
A bar chart

Calculate range for the following data: 22, 22, 30, 32, 37, 48, 60, 88, 90
68

Ranking scale also include the properties of which scale?
*Nominal scale
Interval scale
Ratio scale
All of these

The sum of squared deviations from mean is:
Zero

The difference between estimated value and the population value is called
Random Error

The value of the middle term in a ranked (ordered) data set is called the:
Median

Half of the observations are always larger than:
Median

In a symmetrical distribution 5th decile equals to:
Median

For the given set of observations 1,4,4,4 and 7, it can be said that the:
mean is larger than either median or mode

.