Statistics Quiz 11

1 / 50

**A experiment repeated number of time one by one is called _________________?**

2 / 50

**Sample variance S2 is unbiased estimator of population variance 26 because ________________?**

3 / 50

**For +ve and -ve skewed, check the sign of _______?**

4 / 50

**If in a binomial distribution n = 1 then E(X) is:____________________?**

5 / 50

**Sample proportion P is __________ estimator?**

6 / 50

**?xy is always equal to_____________?**

7 / 50

**N ? n/N -1 is called ___________ population?**

8 / 50

**Given the N values in a series, the geometric mean is______________?**

9 / 50

**The mean of a distribution is 23, the median is 24, and the mode is 25.5. It is most likely that this distribution is_____________?**

10 / 50

**The possibility of total outcome in a coin equal to _______________?**

11 / 50

**Which of the following is not a measure of central tendency ?**

12 / 50

**_________ statistics deals with collection, presentation and analysis of data?**

13 / 50

**When in a frequency distribution the maximum frequency occur at one end, then the frequency curve of such distribution is ________________?**

14 / 50

**The sampling error is the_____________?**

15 / 50

**Which of the following test use Rank Sums____________?**

16 / 50

**Normal distribution has ___________?**

17 / 50

**When ?n? becomes very large, binomial distribution tends to ______________?**

18 / 50

**The shape of normal curve depends upon ?**

19 / 50

**In a binomial distribution, n = 10 p= 3/5, its mean is:_________________?**

20 / 50

**Normal distribution is _____ distribution?**

21 / 50

**Standard normal variable Z is___________?**

22 / 50

**Area to the right of (z=0) is the area for ____ values of z?**

23 / 50

**Which of the following is not based on all the observations ?**

24 / 50

**_____________is used to compare the variation or dispersion in two or more sets of data even though they are measured in different units?**

25 / 50

**If Y=-8X ? 5 and SD of X is 3, then SD of Y is______________?**

26 / 50

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

27 / 50

**Ratio between given year and base year is called __________ in percentage?**

28 / 50

**If a & b are constants, then Var (a + bX) equal to_________________?**

29 / 50

**When using the sign test, if two scores are tied, then_____________?**

30 / 50

**The mean deviation of the values, 18, 12, 15, is_______________?**

31 / 50

**Average is good if it is easy to ____________?**

32 / 50

**The mean and variance of binomial distribution are ______________?**

33 / 50

**The arithmetic mean of 10,8,6,4, and 2 is ______________?**

34 / 50

**Let X1,X2,??,Xn be a random sample from a density,,,, f(x ? ?) where ? is a value of the random variable ?with known density g?(?) Then the estimator ?(?) with?/ respect to the prior g?(?) is define as_________________E[?(?)?X1,X2,?..,Xn] is called?**

35 / 50

**Which of the formula is used in chain indices: ________________?**

36 / 50

**Fisher?s ideal index number is also obtained by _______________?**

37 / 50

**In constructing a histogram which is to be taken along X-axis__________?**

38 / 50

**The special rule of multiplication of probability, the events must be ______________?**

39 / 50

**The headings for various columns are said to be ________________?**

40 / 50

**The measure of Dispersion can never be________________?**

41 / 50

**. If the occurrence of one event means that another cannot happen, then the events are _______________?**

42 / 50

**The equation of standard normal distribution is f(z)=________?**

43 / 50

**A simple aggregate quantity index is used to______________?**

44 / 50

**Sum of deviations will be zero if it is taken from_________________?**

45 / 50

**The shape of normal distribution does depend upon _____ and variance?**

46 / 50

**In normal distribution, mean ______= Mode?**

47 / 50

**If the standard deviation of a population is 9, the population variance is_____________?**

48 / 50

**The Spearman Rank-Correlation test requires that the______________?**

49 / 50

**In the plural sense, statistic means____________?**

50 / 50

**Which of the following cannot be Ho_________________?**

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