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STA301 Grand Quiz + Mid Term Quiz Fall 2020 Due Date: 27-12-2020

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STA301 Grand Quiz ( Statistics and Probability )

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Sta301 Grand Quiz 2020

  1. Which of the following terms best describes data that were originally collected at an earlier time by a different person for a different purpose?

Secondary data

  1. From the table given below, how many students obtained marks between 60 and 69?  Marks f Mid-Points 50-59 5 54.5 60-69 7 64.5 70-79 8 74.5 80-89 5 84.5

7

  1. A list of pulse rates is 70. 64. 70. 80. 74, 92. What is the mode for this list?

70

  1. Serious disadvantage of using range as a measure of dispersion is that it is based on only

None

  1. If the mean of two observations is 11.5. then the median of these two observations will be

11.5

  1. A coin is tossed and a single 6-sided 11.4 is rolled. Find the probability of landing on the head side of the coin and rolling a 3 on the die_

1/12

  1. ln measures of relative dispersion, unit of measurement remains:

Different

  1. In a class, there are 15 boys and 10 girls. Three students are selected at random. The probability that 1 girl and 2 boys are selected, is:

21/46

  1. Suitable average for averaging the shoe sizes for children is:

Mode

  1. The classical definition of probability is not applicable when the assumption of does not hold:

Mutually exclusive event

  1. Quartile Deviation is based on

Not all values

  1. A list of 5 pulse rates is: 70, 64, 80, 74. 92. What is the median for this list?

74

  1. Which one of the following will be used to draw an OGIVE?

Cumulative frequency distribution

  1. What is the value of class mark for the given class 10-12?

11

  1. It is recommended that the number of classes in a frequency distnbution be between:

5 and 20

  1. Half of the observations are always larger than:

  1. When data are collected irl a statistical study for only a portion or subset of all elements of interest we are using:

A sample

  1. What type of curve you will obtain if you draw the death rates of ADULT males?

J shaped

  1. Mean Deviation. Variance and Standard Deviation of the values 4. 4. 4, 4. 4. 4 is

0

  1. Which of the following is not a graph of Quantitative Venable?

Piechart

  1. For empirical rule approximately all observations fall within

X=2a

  1. Let A and B are two dependent events such that P(B)=113. P(A/B)=1/2 and Pi B A).- 1'3 Find P(AnB).

1/6

  1. If "6" is the leading digit in 647 then trailing digit will be:

47

  1. The median of 7. 6. 4. 8. 2. 5. 11 is

6

  1. When we smooth a frequency polygon, It becomes

Frequency curve

  1. For a stem-and-leaf display

All of given option

  1. For platykurtic distribution • b2 (moment ratio) mil be

Less than three

  1. The Probability of a sure event is:

1

  1. Ranking scale also include the properties of which scale,

Nominal scale

  1. Frequency curve is.

Asymmetric to x axis

  1. If data is collected in rupees like income. then aboslute measure of dispersion will be in the units of

Rupees

  1. Which method is used for obtaining the relative frequencies?

Dividing the frequency by total number of frequency

  1. When two dice are rolled What is the probability that total is at least 12

1/36

  1. In a lottery there are 10 prizes and 25 blanks. A lottery is drawn at random What is the probability of getting a prize?

2/7

  1. A circle in which sectors represents various quantities is called
  2. Histogram
  3. Frequency Polygon
  4. Pie Chart
  5. Bar Chart

Answer: c

  1. A graph of a cumulative frequency distribution is called
  2. Ogive Curve
  3. Frequency Polygon
  4. Pie Chart
  5. Bar Chart

Answer: a

  1. A Histogram contains a set of
  2. Adjacent Rectangles
  3. Non-adjacent Rectangles
  4. Adjacent Squares
  5. Adjacent Triangles

Answer: a

  1. In a Pie chart one can calculate the angles for each sector by the following formula
  2. (Component part / Total) X 100
  3. (Component part / Total) X Pi
  4. (Total/Component part) X 360
  5. (Component part/Total) X 360

Answer: d

  1. Component bar charts are used when data is divided into a. Parts
  2. Groups
  3. Circles
  4. None of the above

Answer: b

  1. A frequency polygon is constructed by plotting frequency of the class interval and the
  2. The upper limit of the class
  3. The lower limit of the class
  4. Mid value of the class
  5. None of the above

Answer: c

  1. A frequency polygon is a closed figure of
  2. Two sides
  3. Three sides
  4. Many sides
  5. None of these

Answer: c

  1. De-cumulative frequency is presented by
  2. More than Ogive
  3. Less than Ogive
  4. Equal to Ogive
  5. None of these

Answer: b

  1. In a histogram, the area of each rectangle is proportional to
  2. The class mark of the corresponding class interval
  3. The class size of the corresponding class interval
  4. Frequency of the corresponding class interval
  5. Cumulative Frequency of the corresponding class interval

Answer: c

  1. A frequency polygon curve touches the x-axis
  2. Yes
  3. No
  4. Some times
  5. None of the above

Answer: a

  1. Frequency curve is
  2. Asymptotic to y axis
  3. Non Asymptotic to y axis
  4. Asymptotic to x axis
  5. None of these

Answer: c

  1. The end of month unit values for a mutual fund are given in rupees:

9.2, 9.5, 10, 9.3, 10.2, 10.5, 10.2, 11.1, 10.5, 10.5, 10.5 and 10.

The values shown are referred to as:

  

  1. frequency distribution.  
  2. histogram.
  3. raw data.
  4. mode.

Answer: c

  1. The age distribution of citizens enrolled in a scheme is

Ages

Frequency

21-30

500

31-40

200

41-50

700

51-60

600

What type of graph is needed to illustrate the data as it is organised?

  1. Histogram
  2. Frequency Polygon
  3. Less than Cumulative Frequency diagram
  4. None of the above

Answer: c

  1. Which of the following considerations for setting up classes in a frequency distribution is correct?
  2. Class widths can be different
  3. Classes should not overlap
  4. Open ended classes only at extremes
  5. The lower limit of the first class should not be an even multiple of the class width Answer: b
  6. Frequency distributions can be helpful means of organising and summarising quantitative data. What type of graph is usually used to accompany such data?
  7. Bar Chart
  8. Histogram
  9. Scatter Diagram
  10. Time series

Answer: b

  1. What are the members in the right column of a frequency distribution table called?
  2. Class frequency
  3. Interval frequency
  4. Ordinal frequency
  5. Number frequency

Answer: a

  1. A variable is any characteristic which can assume_______ values.
  2. Different
  3. Similar
  4. Fixed

  5. Assumed Answer: a
  6. A _______ variable is a variable whose values can theoretically take on an infinite number of values within a given range of values. a. Continuous

  7. Discrete

  8. Random

  9. Both a and b

Answer: a

  1. The magnitude of the class is the:

  2. The product of lower limit and upper limit 

  3. The sum of lower limit and upper limit

  4. The difference of upper limit and lower limit
  5. None of these 


Answer: c

  1. The value lying half way between the upper limit and lower limit of the class is:
  2. Class interval 

  3. Mid point 

  4. Frequency
  5. None of the above


Answer: b

  1. The classes in which the lower limit or the upper limit is not specified are known as:
  2. Open end classes
  3. Close end classes
  4. Inclusive classes
  5. Exclusive classes

Answer: a

  1. Classes in which upper limits are excluded from the respective classes and are included in the immediate next class are:
  2. Open end classes
  3. Close end classes
  4. Inclusive classes
  5. Exclusive classes

Answer: d

  1. The number of observations in a particular class is called:
  2. Width of the class

  3. Class mark

  4. Frequency
  5. None of the above

Answer: c

  1. If the class mid points in a frequency distribution of age of a group of persons are 25, 32, 39, 46, 53 and 60. The size of class interval is:
  2. 5
  3. 7
  4. 8
  5. 6

Answer: b

  1. If the mid points of the classes are 16, 24, 32, 40, and so on, then the magnitude of the class interval is:
  2. 8
  3. 9
  4. 7
  5. 6

Answer: 8

  1. A pie diagram is also called:
  2. Pictogram
  3. Angular diagram
  4. Line diagram

  5. Bar diagram

Answer: b

  1. The median of a frequency distribution is found graphically with the help of:
  2. Histogram

  3. Frequency curve

  4. Frequency polygon
  5. Ogive

Answer: d

  1. The mode of a frequency distribution can be determined graphically by:
  2. Histogram

  3. Frequency curve

  4. Frequency polygon
  5. Ogive

Answer: a

  1. The most commonly used device of presenting business and economic data is:
  2. Pie diagrams

  3. Pictograms

  4. Bar diagrams
  5. Line diagrams

Answer: c

  1. Type of bar diagram is:
  2. Pictogram

  3. Sub divided diagram

  4. Line diagrams
  5. Pie diagram

Answer: b

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 Statistics and Probability: STA301

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STA 301 Grand Quiz Spring December 2020 | sta301 solved grand quiz spring 26 december 2020 | VU Quiz

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STA 301 Grand Quiz 2020

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