• Q : Hypothesis test for one sample mean....
    Basic Statistics :

    A researcher claims the average Hotel Rate in San Diego CA is $156/night during the month of the November 2009.  You think this is low, and want to prove average rate is higher, so you randomly

  • Q : Determining permutations and combinations....
    Basic Statistics :

    If the code is 4 random letters, and no letter is employed more than once,  how many different possible codes are there?

  • Q : Probability values-binomial distribution....
    Basic Statistics :

    What are the odds a student gets more than 14 questions correct? What are the odds a student gets exactly 12 questions correct? What are the odds a student gets an A (19 or 20 questions correct)?

  • Q : Estimating sample size for mean....
    Basic Statistics :

    How large does my random sample size (n) require to be in order to be at the 95% confidence interval? How large does my random sample size (n) require to be in order to be at the 98% confidence interv

  • Q : Time minimizing assignment problem....
    Basic Statistics :

    A professor has been contacted by the four not-for-profit agencies which are willing to work with student consulting teams.  The agencies need aid with such things as budgeting, information sys

  • Q : Single-server waiting line model....
    Basic Statistics :

    A senior MIS design class project team has developed following schedule of activities for their project, using their best estimate of completion times. Both written and oral reports are needed. Draw

  • Q : Hypothesis testing for one population proportion....
    Basic Statistics :

    One of Gregor Mendel's famous hybridization experiments with peas yielded 580 offspring with the 152 of those peas (or 26%) having yellow pods.

  • Q : Identifying discrete and continuous random variables....
    Basic Statistics :

    Explain whether the given values are from the discrete or continuous data set. In exercise identify (a) sample and (b) population. As well, explain whether the sample is likely to be representative

  • Q : Make multiple bar graph and histogram....
    Basic Statistics :

    Use frequency distribution to make a histogram. Gender of Students The following table lists (in thousands) number of male and female higher education students for different years.

  • Q : Probability-binomial distribution....
    Basic Statistics :

    A production procedure historically produces 90% items that are good and 10% that are defective. A sample of 30 items is taken. Find out the following probabilities

  • Q : Linear programming problem to maximize profit....
    Basic Statistics :

    What is the Excel formula in B9 providing the first value of coefficient in the objective function? How many hours are spent on each of three machines and what are the units of shadow prices on the

  • Q : Descriptive statistics form given data....
    Basic Statistics :

    Ford Motor Company wanted to compare gasoline consumption of 3 different vehicle models using four different kinds of gasoline (Regular-Super Regular-Unleaded-Premium Unleaded).

  • Q : Estimating probability using cross tabulation....
    Basic Statistics :

    A study of American Airlines flights showed that of 150 flights sampled, 108 were on time, 30 were late, and the rest were early.

  • Q : Estimate confidence interval for population mean....
    Basic Statistics :

    Assume you're interested in estimating proportion of San Diegans between the ages of 18 and 40 who're able to purchase a home in the San Diego metropolitan area.

  • Q : Confidence interval for mean and proportion....
    Basic Statistics :

    A chemical plant which creates bleach claims an average daily yield of 880 tons per day.  It is reasonable to suppose production levels are normally distributed-some days are slightly higher th

  • Q : Interpretation standard error-coefficient of determination....
    Basic Statistics :

    Formulate and determine a multiple regression model by using given data. Interpret each of estimated regression coefficients.

  • Q : Fitting of multiple linear regression equation....
    Basic Statistics :

    Formulate and estimate the multiple regression model by using the given data. Interpret each of estimated regression coefficients.

  • Q : Multiple linear regression equation and hypothesis test....
    Basic Statistics :

    Which of variables in this model have regression coefficients which are statistically different from 0 at the 5% significance level?

  • Q : Pie chart and bar diagram for given data....
    Basic Statistics :

    The data is distribution of most popular colors for 2005 model luxury cars made in North America. Please draw the pie chart and bar graph for data. Make sure the names of categories and percentage a

  • Q : Estimate the mean-standard deviation....
    Basic Statistics :

    Make a histogram for each of two sections using the bin (0.5, 0.6, 0.7, 0.8, 0.9, 1.0) on Summary worksheet.

  • Q : Estimating probability values-normal distribution....
    Basic Statistics :

    Assume that the scores of section 1 follows the normal distribution with mean 0.78 and standard deviation of 0.1. What percent of students in section 1 have scores more than 0.75?

  • Q : Confidence interval for one sample mean....
    Basic Statistics :

    Dr. Patton is the Professor of English. Recently he counted number of misspelled words in group of student essays. For his class of 40 students,

  • Q : Determine confidence interval for population mean....
    Basic Statistics :

    The manufacturer of new line of ink jet printers would like to comprise as part of their advertising the number of pages a user can expect from the print cartridge. Determine the point estimate of p

  • Q : Hypothesis test-difference between two population mean....
    Basic Statistics :

    Clark Heter is the industrial engineer at Lyons Products. He would like to explain whether there're more units produced on afternoon shift than on the day shift. A sample of 54 day-shift workers sho

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

    Classic Golf, Inc. manages 5 courses in Jacksonville, Florida, area. The Director wishes to study number of rounds of golf played for each weekday at the five courses.

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