STA301 GRAND QUIZ SOLVED 100% VERIFIED BY ADMIN (MID TERM SYLLABUS)
Q1: A graph plotted points which shows the relationship between two sets of data is known as:
A) Venn Diagram
B) Polygon Curve
C) Histogram diagram
D) Scatter diagram (page121) (100% Sure)
Q2: For certain distribution, A.M=136.75, Median= 148.37 and Mode= 152.80, then the distribution will be:
A) Positively skewed
B) Negatively skewed (mean< median< mode) (100% Sure)
C) Symmetrical
D) Extremely neagative J shaped
Q3: Sum of the deviations taken form the mean is equal to:
A) Positive number
B) 0 (page86) (100% Sure)
C) Negative number
D) 1
Q4: When two coins are tossed the probability of at least one head is:
A) 1/4
B) 2/4
C) 3/4 ((H,H),(H,T),(T,H),(T,T) = 3/4) (100% Sure)
D) 1
Q5: The deviation of a distribution from symmetry is called:
A) Kurtosis
B) Skewness (page101) (100% Sure)
C) Dispersion
D) Flatness
Q6: Using the following table, calculate P(X < 1)
X 0 1 2 3
f(x) 1/8 3/8 3/8 1/8
A) 0
B) 1
C) 1/8 (P(X < 1) = p(0)=1/8) (100% Sure)
D) 1/4
Q7: If a box contains two red and three green balls then probability of red balls will be equal to:
A) 2/3
B) 3/4
C) 2/5 (red balls/ total balls = 2/5) (100% Sure)
D) 1/5
Q8: Co-efficient of standard deviation is:
A) An absolute meausre of Dispersion
B) A relative measure of dispersion (page93) (100% Sure)
C) Both
D) None
Q9: If any value in the data is zero, then it is not possible to have?
C) Harmonic Mean (page77) (100% Sure)
B) Arithmetic Mean
C) Median
D) Mode
Q10: If the grading of diabetes is classified as mild, moderate and svere the scale of measurement used is:
A) Interval
B) Nominal (page9) (100% Sure)
C) Ordinal
D) Ratio
Q11: ________ determines the shape of hte frequency distribution without drawing graph of frequency distribution.
A) Probability theory
B) Random number theory
C) Scatter diagram
D) Five number theroy (page99) (100% Sure)
Q12: In measures of relative dispersion, unit of measurement remains:
A) Same
B) Different
C) Square of units
D) Free of units (It is ratio so they have no unit) (100% Sure)
Q13: The height of a student is 60 inches. This is an example of ____?
A) Continuous data (page9) (100% Sure)
B) Qualitative data
C) Categorical data
D) Discrete data
Q14: If a die is rolled, what is the probability of getting an even number greater than 2?
A) 1⁄2 (2⁄4 = 1⁄2) (100% Sure)
B) 1/3
C) 2/3
D) 5/6
Q15: A sector diagram is also called?
A) Bar diagram
B) Histogram
C) Historigram
D) Pie diagarm (page23) (100% Sure)
Q16: _______ is the measure of average which can have more than one value.
A) Harmonic Mean
B) Geometric Mean
C) Median
D) Mode (Confirm) (100% Sure)
Q17: If μ=3.82 and S.D(X)=1.2, then C.V(X) will be:
A) 20.482
B) 24.896
C) 31.412 (100% Sure)
D) 26.451
Q18: When the peak value of the curve becomes relatively high, it is called:
A) Mesokurtic
B) Leptokurtic (page114) (100% Sure)
C) Platykurtic
D) hetrokurtic
Q19: A relative measure of dispersion is one that is expressed in the form of:
A) Ratio
B) Co-efficient
C) Percentage
D) All above (Confirm) (100% Sure)
Q20: In case of positively skewed distribution:
A) Q1 + Q2 = 2 median < 0
B) Q1 + Q2 = 2 median > 0 (page111) (100% Sure)
C) Q1 + Q2 = 2 median = 0
D) None of these
Q21: By using method of the least square in a linear regression, sum of square of the vertical distance between two points and fitted line is always:
A) Zero
B) Minimum (page124) (100% Sure)
C) Maximum
D) All of these
Q22: If the outcome of one event affects the outcome of another, then the events are said to be:
A) Dependent Events (page162) (100% Sure)
B) Mutually Exclusive
C) Independent Events
D) Not Mutually Exclusive Events
Q23: Quartile Deviation is based on:
A) All values
B) Not all values (page84) (100% Sure)
C) Extreme Values
D) Smallest values
Q24: In a Box and Whisker plot, a line which divides the box into two equal parts is reffered to as:
A) Mean
B) Median (page107) (100% Sure)
C) Mode
D) Range
Q25: Mid point is equal to:
A) Half of the sum of upper class limit and lower class limit (Confirm) (100% Sure)
B) The difference between consecutive lower limits
C) Total number of observations fall a in a class
D) All of these
Q26: Data in the Population census report is:
A) Grouped Data
B) Secondary Data
C) Primary Data (Confirm) (100% Sure)
D) Array Data
Q27: For a symmetrical distribution, b1 is always:
A) Less than 1
B) Greater than 1
C) Equal to 0 (page119) (100% Sure)
D) Less or equal to 1
Q28: If we roll the die then probability of even number will be:
A) 1/6
B) 2/6
C) 3/6 (3 even number and 3 odd then probabiltiy = even/total number = 3/6) (100% Sure)
D) 1
Q29: When we smooth a frequency polygon, it becomes:
A) OGIVE
B) Pie chart
C) Bar chart
D) Frequency Curve (page37) (100% Sure)
Q30: The suitable digaram to represent the data relating to the monthly expenditure on different items by a family is:
A) Historigram
B) Histogram
C) Multiple bar diagram
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