Statistics Quiz 13

1 / 50

**if Var(??)?0 as n ? 0, then ?? is said to be______________?**

2 / 50

**For a population with any distribution, the form of the sampling distribution of the sample mean is_____________?**

3 / 50

**A sampling distribution is the probability distribution for which one of the following___________?**

4 / 50

**For a biased estimator ?? of ?, which one is correct_______________?**

5 / 50

**Any data collected by the investigator personally from the informants are called __________ data?**

6 / 50

**If variance iv standard deviation is minimum if the deviation taken from______________?**

7 / 50

**Statistics are ___________ expressed?**

8 / 50

**Regression co-efficient is denoted by_____________?**

9 / 50

**The _____ order moments about mean are all zero?**

10 / 50

**If third moment about mean is equal to zero, then distribution is ______________?**

11 / 50

**The median of F,K,E, Q, U, E, N, C,Y, is ________?**

12 / 50

**The process of dividing a heterogeneous_____________?**

13 / 50

**Comparing the times to failure of radar transponders made by firms A, B, and C based on an airline?s sample experience with the three types of instruments one may use____________?**

14 / 50

**If mean and variance are not equal then distribution ________________?**

15 / 50

**In a Wilcoxon Rank-Sum test__________________?**

16 / 50

**A subset of the sample space is called _________________?**

17 / 50

**Mean deviation is equal to 4/5 of the _________ manipulation?**

18 / 50

**The arithmetic mean _________ by 10 if 10 is added to all values?**

19 / 50

**Statistics tests the law of ____________?**

20 / 50

**In which approach to probability the outcomes are equally likely to occur ?**

21 / 50

**Binomial distribution is symmetrical when:_________________?**

22 / 50

**Deciles means are 1/( )?**

23 / 50

**The probability of success changes from trial to trial in:___________________?**

24 / 50

**For a given class 30-44 the midpoint will be ________________?**

25 / 50

**_________ used the word statistics for the first time during one of his lectures at a German university?**

26 / 50

**Range is the difference between largest and ___________?**

27 / 50

**An Index number of an average quality of wheat in Lahore__________ Index?**

28 / 50

**The data which have already been collected by some one are called____________?**

29 / 50

**A Constant can assume _______ value?**

30 / 50

**Area of normal distribution total is equal to _______?**

31 / 50

**The mean of a binomial distribution is always:____________________?**

32 / 50

**A chance variation in an observational process is_____________?**

33 / 50

**For a population consisting of 4 members, a sample of size ?2? is taken replacement, then the number of all the possible samples are?**

34 / 50

**What is the mean of binomial distribution ____________?**

35 / 50

**The joint probability is _______________?**

36 / 50

**In a binomial distribution the probability of ___________ changes from trial to trial?**

37 / 50

**For distribution Function F(X),F(-?)=0 and F(?)= ?**

38 / 50

**Which of the following is an assumption underlying the use of the t-distribution ?**

39 / 50

**Base year quantities are used as weights in _______________?**

40 / 50

**The index numbers are used to measure seasonal and cyclical variations in __________?**

41 / 50

**Total area under the normal curve is________?**

42 / 50

**1. Nos. is a ____ for measuring changes in a variable or a group of related variables?**

43 / 50

**Volume index in Marshall is _______________?**

44 / 50

**The variance of 5 numbers is 10. If each number is divided by 2, then variance of new number is_____________?**

45 / 50

**In the sampling without replacement a sampling unit can be selected_______________?**

46 / 50

**If any value in the data is zero, then which of the following average vanishes ______________?**

47 / 50

**In Statistics, a population consists of:_____________?**

48 / 50

**If in a sampling distribution of X the sample size is 25, what assumption must hold for the sampling distribution of X to be normal ?**

49 / 50

**A sample estimate is used to describe a characteristic of a_____________?**

50 / 50

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

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