Statistics and Probability (STA301)

1. A diagram in which each circle is divided into different sectors is called

   1. Simple Bar Chart
   2. Multiple Bar Chart
   3. Component Bar Chart
   4. Pie Chart

2. Dividing interquartile range by 2 we get:

   1. Co-effient of range
   2. Mid range
   3. Semi Inter Quatile Range
   4. None of the given

3. If X_m is maximum and X₀ is minimum value in a data set then formula for co-efficient of dispersion is as:

   1. \( {X_m - X_0 \over X_0 - X_m} \)
   2. \( {X_m - X_0 \over X_m + X_0} \)
   3. \( {X_0 + X_m \over X_0 - X_m} \)
   4. \( {X_m + X_0 \over X_m - X_0} \)

4. What is the median for the following data:
   
   1, 1, 2, 2, 5, 5, 7, 7, 7

   1. 1
   2. 2
   3. 5
   4. 7

5. In case of a frequency distribution, the 7th decile is given by the formula:

   1. l+ h/f (n/10-10c)
   2. l+ h/f (7n/10-c)
   3. l+ 7h/h (n/10-c)
   4. l+ f/h (7n/10-c)

6. 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

   1. 64.5
   2. 12
   3. 60
   4. 7

7. The data which has not undergone any statistical treatment is called:

   1. Discrete data
   2. Secondary data
   3. Primary data
   4. Qualitative data

8. Total number of words formed by 2 vowels and 3 consonants taken from 4 vowels and 5 consonants is equal to

   1. 60
   2. 120
   3. 720
   4. 520

9. From the given data, which one of the following chart we can draw:

   Year	Turnover
   1965	350000
   1966	42000
   1967	43500
   1968	48000
   1969	48500

   1. Simple bar chart
   2. Multiple bar charts
   3. Component bar chart
   4. Pie chart

10. A fair coin is tossed three times. What is the probability that at least one head appears?

    1. 1/8
    2. 7/8
    3. 4/8
    4. 6/8

11. Positive square root of variance is known as:

    1. Mean deviation
    2. Range
    3. Standard Deviation
    4. All of the given

12. Suppose that a sample space S consists of four simple events: A, B, C, and D. That is S = {A, B, C, D}. If P(A) = .4, P(B) = .3, P© = .2, what is P(D)?

    1. 0.2
    2. 0.9
    3. 0.1
    4. None of the given

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

    1. Minimum Values
    2. Maximum Values
    3. Both Minimum and Maximum values
    4. None of the given

14. The weights of 7 students were measured and recorded as follows:
    53.0, 54.5, 57.2, 51.7, 57.4, 50.5, 52.8
    The stem part is:

    1. 5, 4, 5, 8, 7
    2. 523, 50, 51, 54, 52, 57, 58
    3. 53, 54, 57, 51, 50, 52
    4. 0, 5, 2, 7, 4, 5, 8

15. Which of the following is not a characteristic of the arithmetic mean?

    1. It is influenced by extreme values
    2. Fifty percent of the observations are larger than the median
    3. The sum of the squared deviations from the mean is always minimum
    4. The sum of the observations from the mean is zero

16. From the table given below, how many students obtained marks 80 or above:
    

    Marks	f
    50-59	5
    60-69	8
    70-79	7
    80-89	5
    90-100	3

    1. 15
    2. 8
    3. 5
    4. 3

17. The mean of a distribution is 30, the mode is 24 and the standard deviation is 4, then the coefficient of skewness will be:

    1. Less than zero
    2. Equal to zero
    3. Greater than zero
    4. None of the given

18. Number of Hours	Frequency
    0 - 9	40
    10 - 19	50
    20 - 29	70
    30 - 39	40

    What is its class interval?

    1. 9
    2. 10
    3. 11
    4. 5

19. Value of harmonic mean is lower than ________.

    1. Arithmetic Mean
    2. Geometric Mean
    3. Both arithmetic mean & geometric mean
    4. None of the given

20. Dividing mean deviation by mean we get a pure number known as

    1. Co-efficient of mean deviation
    2. Co-efficient
    3. Co-efficient of quartile deviation
    4. None of the given

21. Which scale of measurementis more suitable in the following example?
    The number of response given in a specified time period.

    1. Ordinal Scale
    2. Interval Scale
    3. Ratio Scale
    4. Nominal Scale

22. In how many ways, a team of 11 players can be chosen from a total of 16 players?

    1. 4368
    2. 2426
    3. 5400
    4. 2680

23. For Platykurtic distribution, b2 (moment ratio) will be:

    1. Greater than 3
    2. Less than 3
    3. Equal to 3
    4. Equal to zero

24. In a cumulative frequency polygon, the cumulative frequency of each class is plotted against:

    1. Mid-point
    2. Lower class boundary
    3. Upper class boundary
    4. Upper class limit

Select a course code for Objective Questions:

ACC311 ACC501 BIF101 BIF401 BIF501 BIO101 BIO201 BIO202 BIO203 BIO204 BIO301 BIO302 BIO303 BIO401 BIO503 BNK603 BT101 BT201 BT301 BT302 BT401 BT402 BT403 BT404 BT405 BT406 BT501 BT504 BT505 BT604 CHE201 CHE301 CS001 CS101 CS201 CS202 CS204 CS301 CS302 CS304 CS311 CS401 CS402 CS403 CS408 CS501 CS502 CS504 CS506 CS508 CS601 CS602 CS604 CS605 CS607 CS609 CS610 CS614 CS707 CS710 ECO401 ECO402 ECO403 ECO404 EDU302 EDU401 EDU402 EDU501 EDU601 ENG101 ENG201 ENG301 ENG501 FIN611 FIN624 FIN625 ISL201 IT430 MCM101 MCM301 MGMT623 MGT101 MGT211 MGT301 MGT401 MGT402 MGT501 MGT502 MGT503 MGT510 MGT601 MGT603 MKT501 MKT610 MKT630 MTH101 MTH202 MTH302 MTH501 MTH601 MTH634 PAK301 PHY101 PHY301 PSY101 PSY403 PSY502 PSY512 SOC101 SOC301 SOC401 STA301 STA630 STA641 ZOO102 ZOO401 ZOO501 ZOO502 ZOO503 ZOO504 ZOO505 ZOO506 ZOO510 ZOO630

Select a course code for Subjective Questions:

ACC311 CS001 CS101 CS201 CS301 CS607 CS701 CS702 CS703 CS704 CS707 CS708 CS710 CS711 CS718 CS721 CS724 ECO401 ECO403 ENG101 ENG301 MGT703 MTH501 STA301