• Q : Organize data in frequency distribution....
    Basic Statistics :

    Listed are weights of 1998 super bowl champion denver broncos starting lineup

  • Q : Single factor analysis of variance....
    Basic Statistics :

    A sales manager is interested in monitoring number of sales calls made by its sales staff in 3 different branches.  The firm samples 6 sales people from each of three branches and determines th

  • Q : The mean sat score is computed from a sample....
    Basic Statistics :

    Inverse normal probability for SAT scores. The distribution of SAT scores is normal with the mean of µ = 500 and a standard deviation of σ = 100. If the mean SAT score is computed from a

  • Q : What range of values should contain the sample mean....
    Basic Statistics :

    Now assume the distribution of SAT scores is normal with a mean of µ = 500 and standard deviation σ is unknown. If the mean SAT score is computed from a sample of n = 100 students from t

  • Q : Test for significance of correlation coefficient....
    Basic Statistics :

    A market research firm is interested in assessing whether there is the relationship between age and consumption patterns of particular product. They sample 15 individuals and ask their age and amoun

  • Q : Trend and seasonal components for quarterly data....
    Basic Statistics :

    A telemarketing firm relies heavily on the casual workers and as such they constantly require to monitor and plan for turnover. They collect quarterly data on employee turnover (resignations) for th

  • Q : Obtain descriptive statistics using excel....
    Basic Statistics :

    Diagnosis related groups are employed in payment for health care of medicare funded patients. Int he creationof the DRGs, suppose that the lengths of stay for 50 patients in one of proposed groups w

  • Q : Appropriate measure of central tendency....
    Basic Statistics :

    Compute the sample mean and median for both AML and ALL patients separately. Which evaluate do you believe is more appropriate to employ with these data? Describe

  • Q : Scatter plot-correlation coefficient and anova....
    Basic Statistics :

    A researcher is interested the relationship between the widowed person's grief (dependent variable) following the death of an ill spouse and length of the time (days) spouse was ill prior to death (

  • Q : Chi-square goodness-of-fit test....
    Basic Statistics :

    A recent report claims that 45% of enlisted personnel who've spent at least four years and no more than ten in the service complete bachelor's degree, 25% complete some college work, 15% don't seek

  • Q : Comparing multiple groups using anova....
    Basic Statistics :

    You are concerned that airport managers might not be receiving enough quantitative instruction in the current aviation management degree programs.

  • Q : Two factor analysis of variance....
    Basic Statistics :

    A total of 60 flight students were instructed at the SimuFly Flight School. A total of 30 students were taught by the live instructor in real plane for all of their instructional flight time.

  • Q : Paired samples t-test....
    Basic Statistics :

    The city of Daytona Beach was concerned that the new ordinance which had raised beach driving fee may have a negative impact on tourism. The city has engaged you to investigate this problem.

  • Q : Hypothesis test for dependent samples....
    Basic Statistics :

    The flight department wanted to test effectiveness of their new flight scheduling software. They collected data from the 12 months before the installation and the 12 months after implementation of n

  • Q : Hypothesis test for correlation coefficients....
    Basic Statistics :

    The production manager of aircraft repair facility is interested in determining the effects of several variables on production. One set of data he gathered from randomly sampled portion of his produ

  • Q : Determining pearson correlation coefficient test....
    Basic Statistics :

    An airport manager is interested in relationship between job satisfaction and stress. In his own airport, the manager asked the random sample of workers two questions.

  • Q : Independent samples t-test for comparing two groups....
    Basic Statistics :

    A professor wants to know whether there is difference in time it takes to complete the Graduate Capstone Project between students who take 605 before completing 15 graduate credit hours and students

  • Q : Probability-monte carlo simulation random number....
    Basic Statistics :

    The equipment installed group at globus enterprises is regarding to make the cost estimate to find out how much it will cost to install the back up generator at government laboratory facility.

  • Q : Random number generation-bernoulli distribution....
    Basic Statistics :

    A ranodm sample of 36 products, from thousands available ,was priced at six food stores in Macomb, illliois area in 1980. The price are attached. If a mane brand existed for product, the same name b

  • Q : Pearson correlation coefficient test....
    Basic Statistics :

    A year ago, the Air Force executed a new test for determining which candidates are most likely to become successful pilots. Now they wish to see if implementing the pilot predictor test was good ide

  • Q : Regression analysis with control variables....
    Basic Statistics :

    A study of factors predicting onset of senility is conducted. A randomly selected sample selected from those senile patients who were diagnosed in the past year yields a sample size of 500.

  • Q : Determine the sample test for mean....
    Basic Statistics :

    Dole Pineapple, Inc., is concerned that 16-ounce can of sliced pineapple is being overfilled. Suppose the standard deviation of process is .03 ounces. Fine out the p-value.

  • Q : One sample t-test for mean....
    Basic Statistics :

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

  • Q : Significance level-major league baseball....
    Basic Statistics :

    During recent seasons, Major League Baseball has been criticized for length of games. A report indicated that the average game lasts three hours and 30 minutes. Can we conclude that the mean time fo

  • Q : Testing of single mean....
    Basic Statistics :

    Evolutionary theories often emphasize that the humans have adapted to their physical environment. One such theory hypothesizes that people must spontaneously follow 24 hours cycle of sleeping and wa

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