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The following data give the time (in minutes) taken to commute from home to UMKC for 20 students.
10 50 65 33 48 5 11 23 37 26 26 32 17 7 13 19 29 43 21 22
Answer the following questions.
(a) Construct a stem-and-leaf plot for these data. Arrange the leaves for each stem in increasing order.
(b) What is the shape of the stem-and-leaf plot, symmetric, skewed to the left or skewed to the right?
(c) Compute the mean, median and mode for the data set.
Formulate West's production-mix decision as a linear programming problem, and solve. NOTE: This problem must be solved using one of the following methods. How many tables and bookcases should be produced each week?
the following probability distributions of job satisfaction scores for a sample of information systems is senior
The following data represent scores of 50 students in the applied business statistics test. Prepare the frequency distribution table and the frequency histogram for this data set.
Interpret the slope.
Compare the mean of the sampling distribution of sample means with that of the population.
Teacher asked each of her students how many novels they had read in previous six months. Results are shown below. Create the frequency table for the number of novels read.
At most, only 30 newspaper ads are possible. For every 106.7 radio ad, there must be at least two 103.1 Radio ads. Formulate the LP model to determine the number of ads in each outlet and maximize the effective audience contact.
There is not enough information to answer the question, the formula requires knowing the population standard deviation for Mark and Debbie, and we were not given this information.
three cards are randomly selected without replacement from an ordinary deck of 52 playing cards. compute the
a normal distribution has a mean of m 80 with s 20. what score separates the lowest 30 of the distribution from the
Who inhaled oxytocin were more likely to give their money to a trustee compared to people who inhaled an inactive placebo. For this experimental study, identify the independent variable and the dependent variable.
The bank wishes to inform prospective customers that '99 times out 100 we can process your application in q working days'. Assuming that the normal distribution is still an adequate model, calculate q.
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