851. There are ________ important bases of classification?
comments icon0
A. Four

B. Five

C. Two

D. Three

852. The stub is the containing__________________?
comments icon0
A. Row caption

B. Caption

C. Box head

D. Column captions

853. The process of systematic arrangement of data into rows and columns is called _________?
comments icon0

A. Bar chart

B. None of these

C. Classification

D. Tabulation
854. A table has at least __________ part?
comments icon0

A. Five

B. Four

C. Two

D. Three

855. A ________ is a heading at the top of the table describing its contents?
comments icon0

A. Head note

B. Title

C. Footnote

D. Sub note
856. Class mark is the value which divides a class into ________ equal parts?
comments icon0
A. Two

B. Four

C. One

D. Three

857. In a table, foot note and source notes are ___________________?
comments icon0

A. Same

B. Different

C. Identical

D. Non-identical

858. Any data collected by the investigator personally from the informants are called __________ data?
comments icon0

A. None of these

B. Unofficial

C. Group data

D. Primary
859. The graph obtained by joining the mid points of the tops of adjacent rectangles in histogram is called ______________?
comments icon0

A. Ogive

B. Frequency polgon

C. Histgram

D. Pie chart

860. Frequency table is an arrangement of data by classes together with their _______ class frequencies?
comments icon0

A. Same class

B. Alternate class

C. Corresponding class

D. Terms

861. A time series is an arrangement of data according to __________________?
comments icon0

A. Yearly

B. Place

C. None

D. Time
862. In constructing a histogram which is to be taken along X-axis__________?
comments icon0

A. Class interval

B. Class boundaries

C. Class mark

D. Class frequency

863. Cumulative frequency is the frequency _________ than the upper class boundary of a class?
comments icon0

A. Greater

B. Curve

C. Distribution

D. Less
864. Cumulative frequencies are_________________?
comments icon0

A. None of these

B. Decreasing

C. Increasing

D. Non- increasing

865. Data which have not been arranged in systematic order is called___________?
comments icon0
A. Raw data

B. Tabular data

C. Undefined data

D. Group data

866. When in a frequency distribution the maximum frequency occur at one end, then the frequency curve of such distribution is ________________?
comments icon0
A. J- shaped

B. Bell- shaped

C. V- shaped

D. U- shaped

867. The headings for various columns are said to be ________________?
comments icon0

A. Column table

B. Vertical column

C. Portions of column

D. Column caption
868. In an open end frequency distribution either the _________ class limit?
comments icon0

A. Second

B. Last

C. First

D. Middle

869. For a given class 30-44 the midpoint will be ________________?
comments icon0

A. 34

B. 35

C. 30

D. 37
870. A graph of cumulative frequency distribution is called ________________?
comments icon0

A. Frequency Polgon

B. Histrogram

C. Ogive

D. None of above

871. if we connect the mid point of rectangles in a histogram with a series of lines, we get __________
comments icon0

A. Mid point

B. Frequency Polygon

C. Interval

D. Frequency curve

872. A value get which divides a class into two equal parts is called _________________?
comments icon0

A. Size

B. Mid point

C. Open interval

D. Class interval

873. Technical & Trade Journals are the source of ___________ data?
comments icon0

A. Ungroup data

B. Primary

C. Group data

D. Secondary
874. Class interval size is the different between the upper and lower class_________ of a class?
comments icon0

A. Limits

B. Boundary

C. Marks

D. Class Interval

875. The difference between the upper and lower class boundaries of a class are know as _________________?
comments icon0

A. class frequency

B. Mid point

C. class mark

D. Class interval
876. When we add the lower and upper class limits and dividing the sum by, the values so obtained are called class____________?
comments icon0

A. Interval

B. Histogram

C. Limits

D. Marks
877. The critical value of a test statistic is determined from_____________?
comments icon0
A. The sampling distribution of the statistic assuming Alternative Hypothesis.

B. Non of these

C. The sampling distribution of the statistics assuming Null Hypothesis

D. calculations based on many actual repetitions of the same Experiment

878. The hypothesis which is being tested is called ___________________?
comments icon0
A. Null hypothesis

B. Composite hypothesis

C. Alternative hypothesis

D. Simple hypothesis

879. The non parametric equivalent of an unpaired samples t-test____________?
comments icon0
A. Mann-Whitney U test

B. Kruskal Wallis Test

C. Sign test

D. Wilcoxon signed rank test

880. For a biased estimator ? of ?, which one is correct_______________?
comments icon0

A. MSE(?)=Var(?)+Bias

B. MSE(?)=SD(?)+Bias

C. MSE(?)=Var(?)+Bias2

D. MSE(?)=SD(?)+Bias2

881. x=40 is estimator of _________________?
comments icon0

A. 6

B. Ux

C. 6/?n

D. (U)
882. Three brands of coffee are rated for tasted on a scale of 1 to 10. Six persons are asked to rate each brand so that there is a total of 18 observations.The appropriate test to tasted equally good is_____________?
comments icon0
A. Kruskal-Wallis test

B. Wilcoxon Rank-Sum test

C. Spearman Rank difference

D. One way analysis of variance (ANOVA)

883. A_______ is the specific value of the statistic used to estimate the population parameter?
comments icon0

A. None of these

B. Point estimator

C. Estimator

D. C.I.

884. E(x1 x2)= ___________________?
comments icon0

A. 6x x2

B. 62 x2

C. ux x2

D. u1 u2
885. If n = 400 and P=.69 then 90% C.I for P is _________________?
comments icon0

A. .798 and .745

B. .314 and .652

C. None of these

D. 652 and . 728
886. When testing for randomness, we can use_____________?
comments icon0

A. None of these

B. Runs test

C. D Mann-Whitney U test

D. Sign test

887. for two estimators T1=t1(X1,X2,.Xn) and T1=t1(X1,X2,.Xn) then estimators t1 is defined to be Rt1(?)?Rt2(?) for all ? in ? ?
comments icon0
A. Admissible estimator

B. Sufficient estimator

C. Minimax estimator

D. Consistent estimator

888. Which of the following test must be two-sided ?
comments icon0

A. Runs test

B. Sign test

C. Kruskal-Wallis

D. Wilcoxon Signed Rank

889. The minimum variance unbiased estimator of the population mean is _______________?
comments icon0

A. S/?n

B. 6x/?n

C. S2/n

D. 6/?n

890. To perform a Runs test for randomness the data must be_______________?
comments icon0

A. Divided into at least two classifications

B. Divided into exactly two classifications

C. Qualitative

D. Quantitative

891. For t distribution, increasing the sample size, the affect will be on ?
comments icon0

A. Standard Error of the Means

B. Degrees of Freedom

C. The t-ratio

D. All Above
892. An estimator Q is an unbiased estimator of the population parameter Q if ___________________?
comments icon0

A. E(Q) =Q

B. E(x) =

C. E(Q) =Q

D. E(P) = P

893. Comparing the times to failure of radar transponders made by firms A, B, and C based on an airlines sample experience with the three types of instruments one may use____________?
comments icon0
A. Kruskal-Wallis test

B. Spearman Rank Correlation test

C. Wilcoxon Rank-Sum test

D. Kolmogorov-Smirnor test

894. The Spearman Rank-Correlation test requires that the______________?
comments icon0

A. Data must be from two independent samples

B. Data must be measured on the same scale

C. Data should be of ordinal scale at least

D. Data must be distribution at least approximately as a t-distribution

895. The sign test assumes that the_______________?
comments icon0

A. The Wilcoxon Signed Rank test is used

B. Sample are dependent

C. Samples are independent

D. Samples have same mean

896. Power of test is denoted by _______________?
comments icon0

A. ?

B. (1 ?)

C. (1 ? )

D. ?

897. Analysis of Variance (ANOVA) is a test for equally of______________?
comments icon0

A. Proportions

B. Only two parameters

C. Means

D. Variances
898. If Ho is stated as Q = Qo< the alternate hypothesis in general stated________________?
comments icon0
A. Q ? Qo

B. None of these

C. Q Qo

899. ___________ is a value of sample statistics?
comments icon0

A. Probability

B. Numerical

C. Estimator

D. Estimate
900. The level of significance is denoted by _________________?
comments icon0

A. 1 ?

B. ?

C. ?

D. 1 ?