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QBUS5001 FINAL EXAM (ONLINE (TIME-BASED)) THIS REPLACEMENT EXAM IS ONLY FOR STUDENTS THAT HAVE AN APPROVED REPLACEMENT EXAM Replacement Exam date: 2/7/2020 Exam start time: 13:00 Exam duration : 2...

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QBUS5001 FINAL EXAM (ONLINE (TIME-BASED))

THIS REPLACEMENT EXAM IS ONLY FOR STUDENTS THAT HAVE AN APPROVED REPLACEMENT EXAM

Replacement Exam date:2/7/2020

Exam start time:13:00

Exam duration: 2 hours + 10 minutes reading time (130 minutes)

Exam Conditions: Closed book

Materials supplied: Exam paper, formula sheets, Excel file. Non-programmable calculators are permitted.

Question details:This exam paper consists of 7 parts. Answer all questions.

Submission details:At the end of the quiz you mustupload your Excel data file.You have until 15 minutes after the published deadline to upload the file. If you do not submit your exam within 15 minutes of that deadline your quiz will not be marked. If you experience technology issues that prevent you successfully uploading, please send your file to XXXXXXXXXXwith the subject line 'QBUS5001: [SID] final exam (replacement) submission'.

This exam contributes to 50% of your final mark.

Marks total 100. Students who score less than 40 marks will fail the unit.

Answered Same Day Jul 01, 2021 QBUS5001 University of Sydney

Solution

Atreye answered on Jul 02 2021
123 Votes
Sheet1
    t-Test: Paired Two Sample for Means
        X    Y
    Mean    65.814    72.826
    Variance    74.3042464646    84.0579030303
    Observations    100    100
    Pearson Co
elation    0.9424261344
    Hypothesized Mean Difference    0
    df    99
    t Stat    -22.869570452
    P(T<=t) one-tail    1.34756764476565E-41
    t Critical one-tail    1.660391156
    P(T<=t) two-tail    2.69513528953129E-41
    t Critical two-tail    1.9842169516
Sheet2
    t-Test: Paired Two Sample for Means
        Y    X
    Mean    72.826    65.814
    Variance    84.0579030303    74.3042464646
    Observations    100    100
    Pearson Co
elation    0.9424261344
    Hypothesized Mean Difference    0
    df    99
    t Stat    22.869570452
    P(T<=t) one-tail    1.34756764476565E-41
    t Critical one-tail    2.3646058618
    P(T<=t) two-tail    2.69513528953129E-41
    t Critical two-tail    2.6264054573
Sheet3
    t-Test: Paired Two Sample for Means
        Y    X
    Mean    72.826    65.814
    Variance    84.0579030303    74.3042464646
    Observations    100    100
    Pearson Co
elation    0.9424261344
    Hypothesized Mean Difference    6.2
    df    99
    t Stat    2.6483301778
    P(T<=t) one-tail    0.0047073585
    t Critical one-tail    2.3646058618
    P(T<=t) two-tail    0.0094147171
    t Critical two-tail    2.6264054573
Part...
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