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Statistics Quiz 10

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Statistics Quiz 10

1 / 50

Which of the following parameter control the relative flatness of normal distribution?

2 / 50

If Skewed distribution the three averages mean, median and mode are ________?

3 / 50

Arithmetic mean of two positive numbers ?X? and ?Y? is_________________?

4 / 50

Cumulative frequency is the frequency _________ than the upper class boundary of a class?

5 / 50

G.M. between __________ is called to be Fisher?s Index Number?

6 / 50

Which one is the not measure of dispersion?

7 / 50

In statistics, a sample means__________?

8 / 50

If P(A?B) =1/4 then P(AUB) is ________________?

9 / 50

The most frequent value in data is called ________________?

10 / 50

The table representing two attributes is called________________?

11 / 50

If in binomial distribution p ? q, the distribution is:___________________?

12 / 50

In Normal distribution, the parameter which controls the flatness of the curve is____________?

13 / 50

In Chain base method, the base period is ________________?

14 / 50

All experiments have _______ properties in common?

15 / 50

Binomial distribution ranges from _______________?

16 / 50

Addition Law of probability for mutually exclusive event is equal _______________?

17 / 50

To find the average speed of a journey which is the appropriate measure of central tendency?

18 / 50

The standard deviation is affected by the value of every____________?

19 / 50

If (AB) >(A) (B)/n __________ then A and B are?

20 / 50

Arithmetic Mean is___________affected by extreme values?

21 / 50

Mean deviation =______ S.D?

22 / 50

There are _________ important bases of classification of data?

23 / 50

Which branch of statistics deals with the techniques that are used to organize, summarize, and present the data?

24 / 50

Weighted Index number can be classified into _________ categories?

25 / 50

_________ are the numbers obtained by some random process?

26 / 50

Statistics is the backbone of_____________?

27 / 50

If y = 2 + 6x then value of y intercept is _________________?

28 / 50

Median is _______ than mean is a positive skewed distribution?

29 / 50

What is the probability that a ball drawn at random from a jar ?

30 / 50

Shape of normal curve can be related to_______________?

31 / 50

The basic random numbers are ________________?

32 / 50

Statistic is a numerical quantity, which is calculated from?

33 / 50

If two events can both occur at the same time then they are referred as:__________________?

34 / 50

A frequent distribution in which class interval size is not the same is called frequency distribution with ________class interval size?

35 / 50

The sum of squares of deviation is least if measure from__________?

36 / 50

Which of the following is not a condition of the binomial distribution ?

37 / 50

Find the median of the following dat? A. 160, 180, 200, 280, 300, 320, 400?

38 / 50

Correlation coefficient is _________ of origin and unit of measurement?

39 / 50

In inferential statistics, we study____________?

40 / 50

If the sampled population has a normal distribution, when is the sampling distribution of the sample mean X also a normal distribution ?

41 / 50

In binomial experiment successive trials are ______________?

42 / 50

The sum of absolute deviations from median is _____?

43 / 50

Sampling Error decrease by _______ the sample size?

44 / 50

If a distribution has two modes then this distribution is called______________?

45 / 50

The A.M. is greater than mode is equal to ______________?

46 / 50

If the smallest observation in a data is decreased, the average which is not affected is______________?

47 / 50

x=40 is estimator of _________________?

48 / 50

In grouped data, the range is the difference between ________________?

49 / 50

In statistics, conducting a survey means_____________?

50 / 50

If ?A? denotes the males of a town and ?B? denotes the females of that town, then A and B are:___________?

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