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Thread: sta301 mid term current paper spring 17 May 2011

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    Yelp 32 sta301 mid term current paper spring 17 May 2011

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    for solve check attachment

    Total questions: 23
    MCQs: I think 18
    Long: I think 5

    The exact question which asked in my papers are:

    The probability of drawing a ‘jack card ‘from 52 playing cards is:
    ► ►
    ► ►

    If all the values fall on the same straight line and the line has a positive slope then what will be the value of the correlation coefficient ‘r’:
    ► 0 ≤ r ≤ 1
    ► r ≥ 0
    ► r = +1
    ► r=-1

    If a curve has a longer tail to the right, it is called:
    ► Positively skewed
    ► Negatively skewed
    ► J-shaped
    ► Symmetric

    Which one of the following is not included in measures of central tendency?
    ► Quartile deviation
    ► Harmonic mean
    ► Geometric mean
    ► Arithmetic mean

    Which of the following is not based on all the observations?
    ► Arithmetic Mean
    ► Geometric Mean
    ► Harmonic mean
    ► Mode

    What is the Standard Deviation of 7, 7, 7, 7, 7, 7, 7
    49
    1
    0
    7

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    What are simple events and what are compound events? [3Marks]



    a. For a particular data of 5 pair of values: [3 Marks]

    The fitted regression line is:
    Y= - 0.5 + 0.5 x
    Find the standard error of estimate (Sy.x); what doest it indicates?
    This is question already given to us in our 2nd Assignment. Only the regression line values were change. Rest of values were same.
    Be careful I am giving the assignment solution not the asked question.














    When a pair of dice is rolled, make the sample space and find the probability
    a. Total of 7
    b. For all sum greater than 6 [5 Marks]


    That question was also given in second assignment.


    The data was given. Calculate Standard Deviation and Variance [5 marks]
    I forget the data. But the calculation which is required is so simple. Everything was given. [Standard Deviation for group
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