BSc CS Sem 1 BSc CS Semester 1 (2020 2021) 2021 Descriptive Statistics And Introduction To Probability Question Paper - Mumbai University | munotes

Questions asked in this paper

1. Q1 The characteristic of an item that can not be measured in some definite units, is
   • a) Variable
   • b) Attribute
   • c) Statistics
   • d) Parameter
2. Q2 For the less than cumulative curve , is taken along the X-axis
   • c) Class-mark
   • d) Frequency
3. Q3 The arithmetic mean (average) of the first ten whole numbers is
4. Q4 The value of second quartile is coincides with
   • a) Mean
   • b) Median
   • c) Mode
   • d) Standard deviation
5. Q5 Which of the following statement is false?
   • a) 25% observation are below Q1
   • b) 50% observation are below Q2
   • c) 75% observations are below Q3
   • d) 25% observations are below Q3
6. Q6 For the set of observation 30,18,20,15,10,23,28,12,16 the value of
7. Q7 can be determined graphically from Histogram
   • a) Mean
   • b) Median
   • c) Mode
   • d) Quartile
8. Q8 The median in the set 6, 4, would be
9. Q9 The average of squared deviation from mean is called
   • a) Mean deviation
   • b) Variance
   • c) Standard deviation
   • d) Covariance
10. Q10 In the relation between mean , median ,Mode , the value of (Mean-Mode)=
    • a) Mean-median
    • b) 3(Mean-median)
    • c) 3(Mean + Median)
    • d) Mean + Median
11. Q11 Moment about mean are called
    • a. Raw moment
    • b. Central moment
12. Q12 Departure from symmetry is called
    • a) Second moment
    • b) Kurtosis
    • c) Skewness
    • d) Variation
13. Q13 For symmetric distribution, the coefficient of skewness will be
14. Q14 For positively skewed distribution ,Mean is always
    • a) Less than the median
    • b) Less than mode
    • c) Greater than mode
    • d) Difficult to tell
15. Q15 The degree of peaked ness or flatness of unimodal distribution is
    • a) Skewness
    • b) Symmetry
    • d) Kurtosis
16. Q16 Bowley’s coefficient of
17. Q17 First central moment is
    • a) Equal to0
    • b) Greater than 0
    • c) Less than 0
    • d) Not equal to 0
18. Q18 For Perfect positive correlation ,the coefficient of
19. Q19 Which of the following statement is true?
    • a) Scatter Plot gives only direction of correlation
    • b) Scatter Plot gives only magnitude of correlation
    • c) Scatter Plot gives direction and magnitude of correlation
    • d) Scatter Plot neither gives direction nor magnitude of correlation
20. Q20 Karl-Pearson’s coefficient gives of correlation
    • a) Only magnitude
    • b) Only direction
    • c) Both magnitude as well as direction
21. Q21 The set of all possible outcomes is called
    • a) Sample space
    • b) Experiment
    • c) Event
    • d) Probability
22. Q22 Two events A and B are Exhaustive events
23. Q23 Two events A and B are Mutually Exclusive events

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