• Q : Business research methods problem....
    Basic Statistics :

    Problem: If the Z-statistic produces a value of Z of 2.45 when the critical value for Z at the .05 level is 1.96, the decision should be what?

  • Q : Regression equation-regression line....
    Basic Statistics :

    Question: If the regression equation is equal to 23.6 - 54.2X, then 23.6 is the _______ while -54.2 is the ______ of the regression line.

  • Q : Variable overhead spending-efficiency variance....
    Basic Statistics :

    Question: Calculate the following variances and provide plausible explain results - Variable overhead spending variance. - Variable overhead efficiency variance.

  • Q : Mean time between failures....
    Basic Statistics :

    Problem: A = MTBF / (MTBF + MTTR). A timer uses batteries with an average lifetime of 25 hours, and it takes an averate of 30 minutes to change the batteries. Availability of the timer is approximat

  • Q : Transportation problem-linear programming problem....
    Basic Statistics :

    The transportation problem is a special case of the linear programming problem, but it often requires integer solutions. How can we be sure we get integer solutions?

  • Q : Determining the service level....
    Basic Statistics :

    Q1. What is the service level for the current situation? Q2. What is the reorder point that corresponds to 80% service level?

  • Q : Recommend starbucks to entering a new market....
    Basic Statistics :

    Problem: What additional strategy (or variation on a given strategy) would you recommend Starbucks to entering a new market? e.g. (India, etc.) Prepare a 350-word memo advocating your recommendation

  • Q : Average time a customer spends waiting in queue....
    Basic Statistics :

    The ticket seller can serve an average of 12 customers per hour; on average, 10 customers arrive to purchase tickets each hour. Determine the average time a ticket buyer must wait and the portion of

  • Q : Confidence interval to estimate the population....
    Basic Statistics :

    Suppose a random sample of 36 is selected from a population with a standard deviation of 12. If the sample mean is 98, the 99% confidence interval to estimate the population mean is _______.

  • Q : Define the null and alternative hypotheses....
    Basic Statistics :

    Problem: Define the null and alternative hypotheses. Discuss the relationship between the two hypotheses. Problem: What advantages do stem-and-leaf displays provide over histograms?

  • Q : Find the time-cost trade-off points....
    Basic Statistics :

    Find the time-cost trade-off points that are possible. What is the minimum time in which the project can be completed? What is the cost of this program?

  • Q : Exponential distribution for the service time....
    Basic Statistics :

    There are four booths each capable of serving 30 cars per hour. Assuming a Poisson distribution for arrivals and a exponential distribution for the service time, determine (a) the probability of no

  • Q : Use of standard deviation to measure risk....
    Basic Statistics :

    The CFO has requested from you, a risk assessment of Strident Marks. Think about the risks inherent in Strident Marks and how to quantify these risks. Discuss the use of standard deviation to measur

  • Q : Unit selling price and unit variable expense....
    Basic Statistics :

    What would be the percentage increase in net operating income for the new product if its unit sales could be expanded by 10% without any increase in fixed expenses and without any change in the unit

  • Q : Constraints of a linear programming problem....
    Basic Statistics :

    Except satisfying the non-negativity constraint, a solution that satisfies all the other constraints of a linear programming problem is called:

  • Q : Drawinig inference about a large population....
    Basic Statistics :

    Question 1. Why would you use a small sample to draw inference about a large population? Question 2. What is the difference between a sample parameter (X-bar and s) and a proportion parameter?

  • Q : Quantitative measurement with qualitative measurement....
    Basic Statistics :

    Compare quantitative measurement with qualitative measurement. Include a discussion on the types of data for each. Support the discussion with solid academic references.

  • Q : Finding the optimal points....
    Basic Statistics :

    The cost to produce each of two products is dependent on the quanity in order to maximize profits. Product a sells for $10,000 a unit and product 2 sells for $12,000 a unit. Fixed cost is $2,000 for

  • Q : Continuous and discrete variables....
    Basic Statistics :

    You meet with them to discuss the matter. Suggest at least 3 quantitative objects that you should keep track about each caller and/or their behavior with respect to the snack food category and indic

  • Q : Optimal performance of the system....
    Basic Statistics :

    The optimal performance of the system in terms of reduced total waiting time in the queue is important to the owner. If the owner assigns a $0.25 value for each minute reduced in the queue, is the

  • Q : Estimating the p-value....
    Basic Statistics :

    At the .01 significance level, can we conclude that the 30-year mortgage rate for small banks is less than 6 percent? Estimate the p-value.

  • Q : Relevance of one-tailed and two-tailed tests....
    Basic Statistics :

    Discuss in one short paragraph the relevance of one-tailed and two-tailed tests with alternate hypothesis. Give a numerical example of a two tailed test showing all five steps

  • Q : Inbound logistics-production and outbound logistics....
    Basic Statistics :

    What other implications does the type of product have on the value chain activities of inbound logistics, production, and outbound logistics?

  • Q : Measuring of central tendency....
    Basic Statistics :

    Suppose that the measurement 95 (the largest measurement in the data set) were replaced by 148. Which measures of central tendency would be affected by the changed?  Choose all that apply.

  • Q : Value of the f statistic....
    Basic Statistics :

    Give the p value corresponding to this value of the F statistic. Round yoru answer to at leas three decimal places.

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