Recent content by feelgooddan

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    Differentiate TU= 4 sqr x1 + x2

    Thank you! But I guess you forgot 4, is not it? So, the answer going to be 2 / (sqrt(x1)) I'm really interested in x2 here. So, it is going to be 0 in differentiation, right?
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    Differentiate TU= 4 sqr x1 + x2

    TU= 4 sqr x1 + x2 differentiate by x1 if x1=9 and x2=8
  3. F

    In which of the following cases is the mean not typical? (statistics))

    I guess in the first case the spread is larger. So, in the second is smaller.
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    In which of the following cases is the mean not typical? (statistics))

    How can I estimate the standard deviation from these data?
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    In which of the following cases is the mean not typical? (statistics))

    Not typical mean is if there is a large standard deviation. In other cases it is typical.
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    In which of the following cases is the mean not typical? (statistics))

    It is not a homework question! Just a question from statistic book!
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    In which of the following cases is the mean not typical? (statistics))

    1) My wife and I are very athletic. Between us, we jog an average of 5 miles a day. My wife jogs 10. 2) In freeway driving, my car averages 32 miles per gallon. 3) Last year my car repairs averages $48 per month. 4) The average statistician has 3.46 children. 5) The average fuse time...