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# Statistics Quiz 4

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Statistics Quiz 4

1 / 50

The word statistics is defined as_____________?

2 / 50

____________ use the division of a circle into different sectors?

3 / 50

The Number of road accidents is the example of____________?

4 / 50

If E (ax) = _______________?

5 / 50

If all values are same then the measure of dispersion will be________________?

6 / 50

Combine mean calculated by different given mean is ________?

7 / 50

Questionnaire survey method is used to collect____________?

8 / 50

Which of the following is a true statement for comparing the t distribution with standard normal ?

9 / 50

The value maximum ordinate of a standard normal curve at Z = 0 is:________?

10 / 50

Major area of statistics today is concerned with drawing of conclusions from__________?

11 / 50

First moment about origin is always equal to _______________?

12 / 50

The variance of binomial distribution is always:________________?

13 / 50

Check the consistency used _____________?

14 / 50

The number of defective bulbs in a lot is example of ____________?

15 / 50

____________ is used to criterion of consistency i.e for consistence performance?

16 / 50

95% confidence limits u are ________________?

17 / 50

Mean of the binomial distribution is ______________?

18 / 50

Class interval size is the different between the upper and lower class_________ of a class?

19 / 50

Binomial distribution is used when n is ____________________?

20 / 50

The value of interval x ? S include _______________?

21 / 50

Non-sample errors are reduced by:________________?

22 / 50

Events occurring together without affecting each other are called:_________________?

23 / 50

N(?, 2?) means normally distribution with mean u and variance2? then (3?, 4) means _____________?

24 / 50

The measure of relative dispersion is called __________________?

25 / 50

What is the variance of binomial distribution __________________?

26 / 50

If the occurrence of excludes the occurrence of the other is called ________________?

27 / 50

The square bracket is an finite G. Series is obtained by formula _________________?

28 / 50

29 / 50

Total Area under the normal curve is_______________?

30 / 50

Which of the following case is true for hyper geometric distribution________________?

31 / 50

100% of values lies in the limits are equal to ______________?

32 / 50

The area under the normal distribution curve outside the interval of z=1 and z=3.09 is_____________?

33 / 50

Probability distribution of a random variable is also know as Probability_________________?

34 / 50

All Index numbers are not suitable for all _________________?

35 / 50

The Estimation and testing of hypothesis are main branches of ________________?

36 / 50

In normal distribution ?1 = 0 and ?2 is equal to _____________?

37 / 50

Least square regression line always passes through ____________________?

38 / 50

For a binomial distribution with n = 15 as p changes from. 50 toward. 05 the distribution will__________?

39 / 50

The probability of even/odd numbers when a fair die is rolled is____________?

40 / 50

The sum of squared deviations of a set of n values from their mean is__________________?

41 / 50

A random variable is ____________ ?

42 / 50

The process of systematic arrangement of data into rows and columns is called _________?

43 / 50

Which of the following Measure of averages is affected by extreme (very small or very largE. values in data set?

44 / 50

The sum of values divided by their number is called___________?

45 / 50

The correct variance is define as the __________________?

46 / 50

We get ________ dividing range by numbers of class interval?

47 / 50

If ?1 = 0 it means the distribution is _______________?

48 / 50

If Ho is stated as Q = Qo< the alternate hypothesis in general stated________________?

49 / 50

In probability sampling each sampling unit has some____________________?

50 / 50

A quantity obtained by applying certain rule or formula is known as ________________?