statistics MCQs – Page 44

Practise multiple-choice questions from statistics for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

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

B. Place

C. None

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

B. Curve

C. Distribution

D. Less
864. Cumulative frequencies are_________________?
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A. None of these

B. Decreasing

C. Increasing

D. Non- increasing

865. Data which have not been arranged in systematic order is called___________?
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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 ________________?
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A. J- shaped

B. Bell- shaped

C. V- shaped

D. U- shaped

867. The headings for various columns are said to be ________________?
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A. Column table

B. Vertical column

C. Portions of column

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

B. Last

C. First

D. Middle

869. For a given class 30-44 the midpoint will be ________________?
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A. 34

B. 35

C. 30

D. 37
870. A graph of cumulative frequency distribution is called ________________?
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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 __________
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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 _________________?
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A. Size

B. Mid point

C. Open interval

D. Class interval

873. Technical & Trade Journals are the source of ___________ data?
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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?
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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 _________________?
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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____________?
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A. Interval

B. Histogram

C. Limits

D. Marks
877. The critical value of a test statistic is determined from_____________?
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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 ___________________?
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A. Null hypothesis

B. Composite hypothesis

C. Alternative hypothesis

D. Simple hypothesis

879. The non parametric equivalent of an unpaired samples t-test____________?
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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_______________?
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A. MSE(?)=Var(?)+Bias

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

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

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