801. Normal Distribution ?
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A. Tri Modal

B. Multi Modal

C. have no Mode

D. Bi Modal

E. Uni Modal
802. The value maximum ordinate of a standard normal curve at Z = 0 is:________?
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A. 0.3989

B. 1

C. 0.5

D. None of these

803. In normal distribution Q1=_________?
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A. u + .6745 (S.D.)

B. u .6745 (S.D.)

C. u + .6745 (S.D.)

D. u .7979 (S.D.)

804. Area of normal distribution total is equal to _______?
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A. Four

B. Two

C. One

D. Three

805. Shape of normal curve can be related to_______________?
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A. L

B. J

C. Rectangle

D. Bell

E. Circle

806. In normal distribution ?1 = 0 and ?2 is equal to _____________?
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A. 0.5

B. 1

C. 2

D. 3
807. Normal distribution has ____shaped?
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A. Normal shaped

B. Bell shaped

C. T-shaped

D. u-shaped

808. The equation of standard normal distribution is f(z)=________?
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A. 1/??2?e 1/22

B. 1/??2?e -1/22

C. 1/?2?

D. 1/??2?

809. In normal distribution u2 = S2 and u4 =___________?
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A. 4S2/x

B. 3S4

C. 3S

D. 3S2

810. P( ??x? + ?)=_________?
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A. 0.2345

B. 0.6743

C. 0.6745

D. .6826
811. Mean deviation of Normal Distribution is_____________?
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A. 45?

B. 23?

C. 34?

D. 78?

812. 100% of values lies in the limits are equal to ______________?
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A. 40 and 60

B. 20 and 70

C. 20 and 80

D. 20 and 30

813. P95 means _____?
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A. The central 95% area

B. The point above above which95% area lies

C. The point above below which 95% area lies

D. Both (a) and (b) but not (c)

814. In normal distribution Q.D. ( quartile deviation)is equal to________?
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A. 0.6745 ?

B. ?

C. None of these

D. 0.7979 ?

815. Normal distribution has ___________?
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A. 4 parameter

B. 1 parameter

C. 2 parameter

D. 3 parameter

816. N(, 2?) means normally distribution with mean u and variance2? then (3?, 4) means _____________?
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A. 36

B. 76

C. 46

D. 47

817. The maximum of function is at_______________?
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A. X = 0

B. X = + ?

C. X = ?2

D. X =
818. The shape of normal distribution does depend upon _____ and variance?
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A. S/?2

B. u

C. x

D. 2 2

819. As the normal distribution is symmetrical, its mean, median and mode are:____________?
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A. Coincide

B. Different

C. Not equal

820. Normal distribution has ______ parameter?
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A. Two

B. Four

C. One

D. Three

821. The quartile deviation is ____ (S.D.) is normal dist?
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A. 0.7879

B. 0.4567

C. .6745

D. 0.6734

822. If ?1 = 0 it means the distribution is _______________?
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A. #NAME?

B. #NAME?

C. Symmetrical

D. Non of these

823. For a normal distribution having = 241 and ? = 2 P (X?235) is:_______?
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A. 0.235

B. 0.5

C. 0.475

D. 0.9986
824. Normal distribution is a probability distribution of _____ random variable?
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A. Normal

B. Discrete

C. Continuous

D. Constant

825. In a standard normal distribution z = 0 corresponds to _____________?
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A. M.D.

B. Q.D.

C. Mean

D. S.D.

826. The area under the normal distribution curve outside the interval of z=1 and z=3.09 is_____________?
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A. 0.1477

B. 0.3413

C. None of the above

D. 0.499

E. 0.1597
827. The range of normal distribution lies between _________?
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A. -? to 0

B. None of these

C. -? to +?

D. 0 to ?

828. The normal distribution is_________?
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A. Leptokurtic

B. None of these

C. Platykurtic

D. Mesoukurtic
829. Data which have been arranged in ascending or descending order is called ________ data?
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A. Classify

B. Group data

C. Array

D. ungrouped data

830. Data which is not arranged in ascending or descending order is called ___________?
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A. Raw

B. Cumulative frequency

C. Arrangement

D. Group

831. _______are used to represent data classified on qualitative?
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A. Vertical bars

B. Simple bar

C. Horizontal bars

D. Pie chart

832. The graphs of the symmetrical distribution is _____________?
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A. Bell- shaped

B. J- shaped

C. U- shaped

D. None of these

833. Range is the difference between largest and ___________?
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A. Smallest

B. Middlest

C. Lowest

D. Biggest

834. Data classified by many _______ said to be Quantitative?
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A. Categories

B. Affinities

C. Attributes

D. Characteristic

835. The smallest and the largest value of any given class of a frequency distribution are called ___________?
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A. Class marks

B. Class interval

C. Class limit

D. Mid point

836. A graph consists of _________ lines?
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A. Straight

B. Parallel Line

C. Smooth curve

D. Curve

837. In pie-chart, the arrangement of the angles of the different sectors generally ________________?
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A. Alternative

B. Arrayed

C. Clock-wise

D. Anti-clockwise

838. ____________ use the division of a circle into different sectors?
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A. Line Graph

B. Conversion Graphs

C. Sector Graph

D. Frequency Polygon

839. The relation showing between whole and its components used chart is said to be ___________________?
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A. Component bar chart

B. Simple Bar chart

C. Multiple bar chart

D. Pie Chart
840. The lower class boundary of 25-35 will be ______________?
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A. 35

B. 30

C. 25

D. 20

841. We get ________ dividing range by numbers of class interval?
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A. Mid point

B. Number of classes

C. Class marks

D. Class boundary

842. The process of systematic arrangement of data in rows and columns is called ___________________?
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A. Classification

B. Frequency

C. Frequency distribaution

D. Tabulation
843. Class _________ is the difference between two class limit?
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A. Class interval

B. Class mark

C. None of these

D. Boundary

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

B. Distribution

C. Unequal

D. Open-end

845. ________ paper is needed to show the graphs of frequency distribution?
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A. Chart

B. Graphs

C. Ordinary

D. Photo

846. data classified by methods are called __________ data?
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A. Row data

B. Quantitative data

C. Geographical

D. Grouped data

E. None of these
847. Data arranging into rows and columns are called______________?
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A. Classification

B. Frequency distribution

C. Tabulation

D. Table

848. There are _________ important bases of classification of data?
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A. Three

B. Two

C. Six

D. Four

849. A source note foot are the _______________?
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A. Different

B. Bottom

C. Top

D. Same

850. The class ___ are obtained when we divide the sums of the lower and upper class limits by 2?
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A. Points

B. Marks

C. Limit

D. Class boundary