551. Median is _______ than mean is a positive skewed distribution?
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A. Great

B. lesser

C. Equal

D. None of these

552. Which hypothesis tell us weather test is one tail or 2 tail?
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A. simple hypothesis

B. all of the above

C. None of these

D. null hypothesis
553. Combine mean calculated by different given mean is ________?
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A. n1x1 + n2x2x + _____ nuxu/x1 + x2 + ____ x4

B. n1x1 + n2x2x + _____ nuxu/n1 + n2 + ___+ nu

C. n1x1 + n2x2x + _____ nuxu/n1 +n2 + ___ + nu

D. ?n1x/x1

554. The lower and upper quartile of standard normal variation are respectively ?
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A. -0.7979? and 0.7979?

B. +0.6745? and -0.6745?

C. -0.7979 and 0.7979

D. -0.6745 and 0.6745
555. Which test is better than sign test?
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A. Mann Witney U test

B. Wilcoxon rank sum test

C. Wilcoxon signed rank test

D. All the above

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

B. , MD

C. None

D. 2??,e

557. Sampling error cannot occur in__________?
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A. Census

B. None of these

C. Survey

D. Sampling

558. The sum of deviations of observations is zero, when deviations are taken from __________?
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A. Mode

B. Median

C. Mean

D. None of these

559. Confidence interval is a measure of?
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A. Accuracy

B. All of above

C. Error

D. Precision
560. Who is considered the Father of Modern Statistics?
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A. John Tukey

B. Ronald Fisher

C. W. Edwards Deming

D. Florence Nightingale

561. Quartiles, deciles are located from an ogive in a way________________?
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A. Quarlities

B. G.M.

C. Median

D. Mode

562. The area under the normal distribution curve outside the interval of z=1 and z=3.09 is_____________?
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A. 0.1597

B. 0.3413

C. 0.499

D. None of the above

E. 0.1477

563. Median is always central value even if the data is _______?
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A. Continuous

B. Discrete

C. Arranged

D. Unassigned

564. if we connect the mid point of rectangles in a histogram with a series of lines, we get __________
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A. Frequency curve

B. Mid point

C. Frequency Polygon

D. Interval

565. Shape of normal curve can be related to_______________?
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A. J

B. Circle

C. Rectangle

D. L

E. Bell
566. If X is normally distribution with >= 8 and S.D. 4, then P(6?X?10) may be______________?
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A. -0.32

B. 1.2

C. 0.2684

D. 0

567. A time series is an arrangement of data according to __________________?
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A. Yearly

B. Place

C. None

D. Time
568. In normal distribution Q.D. ( quartile deviation)is equal to________?
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A. None of these

B. ?

C. 0.6745 ?

D. 0.7979 ?

569. If any statistical tool apply on primary data it becomes a__________?
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A. Secondary data

B. None of these

C. Raw data

D. Primary data

570. The process of systematic arrangement of data into rows and columns is called _________?
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A. Classification

B. Tabulation

C. None of these

D. Bar chart

571. The collection of numerical facts is called_________?
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A. Data

B. Datum

C. Statistic

D. Raw

572. The frequent value of the data if it exists is called ________________?
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A. Deciles

B. Median

C. Mode

D. Quartiles

573. The number of successes in fixed time interval follows?
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A. Binomial distribution

B. Possion distribution

C. Gamma distribution

D. Negative binomial dis

574. In stratified sampling the strata should be _________?
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A. Nonoverlapped

B. Overlapped

C. Same

D. Not equal

575. An alternative non parametric test of ANOVA?
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A. Sign test

B. Kruskal Wallis test

C. Wilcoxon sign rank test

D. Median test

576. Technical & Trade Journals are the source of ___________ data?
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A. Group data

B. Secondary

C. Primary

D. Ungroup data

577. The smallest and the largest value of any given class of a frequency distribution are called ___________?
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A. Mid point

B. Class interval

C. Class limit

D. Class marks

578. Determining sample size for stratum is problem of___________?
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A. Estimate

B. Allocation

C. Sampling

D. Population

579. Data which have been arranged in ascending or descending order is called ________ data?
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A. Array

B. ungrouped data

C. Classify

D. Group data

580. The median of normal distribution corresponds to the value of Z equal to_________________?
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A.

B. 0

C. 1

D. 0.5

581. Founder of statistics is_________?
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A. Smith

B. R A Fisher

C. Karl pearson

D. Neyman

582. Average is good if it is easy to ____________?
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A. Change

B. Understand

C. Capable

D. Clear

583. When there is 0 in our dataset which mean we cannot calculate?
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A. GM

B. HM

C. AM

D. Both A and B
584. If Y=5X + 10 and X is N(10,25), then mean of Y is ?
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A. 135

B. 70

C. 50

D. 60
585. The median of the data 2, 4, 10, 8, 6 is _______________?
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A. 5

B. 10

C. 6

D. None of these

586. The median of F,K,E, Q, U, E, N, C,Y, is ________?
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A. EUQ

B. EFP

C. LEY

D. EUP

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

B. Limit

C. Points

D. Class boundary

588. For a given class 30-44 the midpoint will be ________________?
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A. 30

B. 35

C. 37

D. 34

589. The graphs of the symmetrical distribution is _____________?
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A. J- shaped

B. Bell- shaped

C. U- shaped

D. None of these

590. G.M. of 2,4,8 is ______?
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A. 14/3

B. 8

C. 6

D. 4
591. How many stages of demographic transition?
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A. Three

B. Two

C. Four

D. Five
592. The _____ order moments about mean are all zero?
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A. Four

B. Add

C. Even

D. None

593. The arithmetic mean of 10,8,6,4, and 2 is ______________?
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A. 5

B. 6

C. 30

D. 15
594. Who give the concept of standard deviation and CV?
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A. All of the above

B. R.A Fisher

C. John Tukey

D. Karl Pearson
595. A cumulative frequency distribution is graphically represented by_________?
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A. frequency curve

B. ogive

C. frequency polygon

D. pie chart

596. Which of the following parameter control the relative flatness of normal distribution?
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A. None

B. Mode

C. Mean

D. Standard Deviation
597. If p=q than the shape of binomial distribution?
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A. No shape

B. Positively skewed

C. Negative skwed

D. Symmeteric
598. In constructing a histogram which is to be taken along X-axis__________?
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A. Class interval

B. Class boundaries

C. Class frequency

D. Class mark

599. If A and B are mutually exclusive then?
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A. P(AeitherB)=0

B. P(AorB) =0

C. P(AandB)=0

D. P(AnorB)=0

600. In pie-chart, the arrangement of the angles of the different sectors generally ________________?
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A. Anti-clockwise

B. Alternative

C. Clock-wise

D. Arrayed