Statistics Quiz 5

1 / 50

**For a probability density function (pdf), the probability of a single point is_____________?**

2 / 50

**Cumulative frequencies are_________________?**

3 / 50

**If any of the value in data set is negative then it is impossible to compute:_____________?**

4 / 50

**Sampling error can reduced by __________________?**

5 / 50

**In descriptive statistics, we study______________?**

6 / 50

**The first hand and unorganized form of data is called_______________?**

7 / 50

**Link relative = ________________?**

8 / 50

**Quartiles, deciles are located from an ogive in a way________________?**

9 / 50

**Binomial probability distribution is denoted by b(x ; n, p), is defined as _______________?**

10 / 50

**The Laspeyres price index_____________?**

11 / 50

**An Index number which measure the change of a _____ is called Aggregative 1. No?**

12 / 50

**Let Z1,Z2,?.Zn be independent and identically distributedrandom variable, satisfying E[? Zt ?]**

** ** Wald?s Equation Independence Equation Neyman Pearson Lemma Sequential Probability Likelihood Equation

** ** Normal Leptokurtic Platykurtic Mesokurtic

13 / 50

**If ?2=m4m22<3, the distribution is called______________?**

** ** P33 D3 Median None of these

14 / 50

**Third quartile = Q3 = ____________?**

** ** Ungroup data Primary Group data Secondary

15 / 50

**Technical & Trade Journals are the source of ___________ data?**

** ** 0.1 1.1 0.05 No Change

16 / 50

**If 10% is added to each value of variable, the geometric mean of new variable is added by_______________?**

** ** Median Mean Mid Point Mode

17 / 50

**The middle value of an ordered array of numbers is the____________?**

** ** Not affected Negative Vary Affected

18 / 50

**Arithmetic mean is _________ by change of origin and scale of measurement?**

** ** 60 70 90 100

19 / 50

**In a week the prices of a bag of rice were 350 ,280, 340, 290, 320, 310, 300. The range is_____________?**

** ** Quantitative data Variable Constant Qualitative data

20 / 50

**Statistics has handicap dealing with_____________?**

** ** Great Zero Less than zero More than zero

21 / 50

**When the two regression lines coincide there r is __________________?**

** ** 0.99 -99 ?3 0

22 / 50

**Which of the following can never be taken as coefficient of correlation is _____________?**

** ** Bayesian table Contingency table Probability distribution Random Variable

23 / 50

**A listing of the possible outcomes of an experiment and their corresponding probability is called:______________?**

** ** Sampling error of statistics Standard error of statistics None of these Sampling distribution of statistics

24 / 50

**The standard deviation of sampling distribution of a statistics is _________________?**

** ** 13/52 16/52 19054 19329

25 / 50

**The probability of drawing a picture card out of 52 cards is : ______________?**

** ** Registration none of these Correspondents Entry

26 / 50

**making a entrance slip in service hospital is the method of collection of data by______________?**

** ** 3 2 3 Zero

27 / 50

**For Mesokurtic curve of the distribution, ?2 is__________________?**

** ** Judgment Systematic Cluster Stratified

28 / 50

**To purchase the fruit, we use the _________ sampling?**

** ** Harmonic Mean Mean Median Mode

29 / 50

**_____________is the measure of average which can have more than one value?**

** ** Simple 1. No. Aggregative 1. No. Quantity Index Number Appropriate

30 / 50

**Measure the change in quantity of goods are called ________________?**

** ** Mutually Exhaustive events dependent events Exhaustive events Equally likely events

31 / 50

**If the events have same chance of occurrence they are called:_______________?**

** ** Trials are independent Probability of success varies from trial to trial n is fixed Has two outcomes

32 / 50

**Which of the following is not the property of binomial distribution ?**

** ** 16 7 49 4

33 / 50

**If X ? N(16,49), the mean is___________?**

** ** Qualitative variable Constant Discrete variable Continuous variable

34 / 50

**Life of a T.V picture tube is a:___________?**

** ** 13302 18/36 13485 13394

35 / 50

**The probability that the sum is odd if two dice are thrown:_________________?**

** ** Never None of these Sometimes Always

36 / 50

**Standard deviation is calculated from the Harmonic Mean (HM) ________________?**

** ** With replacement from a finite population With replacement With out replacement from an infinite population With out replacement from a finite population

37 / 50

**The hypergeometric probability distribution is used rather than the binomial or Poisson when the sampling is performed ?**

** ** Mesokurtic Symmetrical Positively Skewed Negatively Skewed

38 / 50

**If the third moment about mean is zero then distribution is_______________?**

** ** Science Intelligence Education Business

39 / 50

**Index Number is an important role in the field of Economic and ________________?**

** ** Mode Quartiles Deciles Median

40 / 50

**The frequent value of the data if it exists is called ________________?**

** ** Four Three Two One

41 / 50

**Class mark is the value which divides a class into ________ equal parts?**

** ** Limits Interval Histogram Marks

42 / 50

**When we add the lower and upper class limits and dividing the sum by, the values so obtained are called class____________?**

** ** Ungrouped None of these Secondary data Grouped

43 / 50

**Primary data and _____________ data are same?**

** ** Simple hypothesis Alternative hypothesis Composite hypothesis Null hypothesis

44 / 50

**The hypothesis which is being tested is called ___________________?**

** ** Affinities Characteristic Categories Attributes

45 / 50

**Data classified by many _______ said to be Quantitative?**

** ** Success None of these Success or Failure Failure

46 / 50

**In the binomial experiment, the outcomes of each trial maybe classified into ______________?**

** ** Origin Algebraic Signs Scale None

47 / 50

**The measure of dispersion is changed by a change of_____________?**

** ** Rejection Region Type-II Error Type-I error Acceptance Region

48 / 50

**1 ? ? is the probability of_____________?**

** ** Non of these Error term Independent variable Parameter

49 / 50

**A model is linear if it is linear in the dependent variable and also in ______________?**

** ** 1 -1 3 0

50 / 50

**Lowest value of variance can be____________?**

** **

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