Find the mode and the quartiles of this data set
In a computerized entrance test, 20 candidates appear on a particular day. Their scores are: 9, 6, 12, 10, 13, 15, 16, 14, 16, 17, 14, 16, 24, 21, 22, 17, 18, 19, 18, 20. Find the Mode and the Quartiles of this data set.
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Your friend owns a cat and a dog. What is the probability that she spends more on medical care for her dog than for her cat in a given year?
What sampling method is best suited for such a survey? Why? Draw the sample using the random number table and bring out the rationale of the procedure. Limit your sample to 25 persons.
What is the probability that if you randomly select a student on campus, this is student is male OR majoring in business? Make sure your answer is in decimal form and not percentage form.
Starting salary fro employees in the state is less than $30,000 per year. test hypothesis she collect a simple random sample of 100 starting clerical salaries and found that the sample mean is $29,750.
A student decided that this is a binomial distribution problem. The student found that the probability of all four engines failing is 4.1E-09. Is that answer correct?
The following data are scores on a management examination taken by a group of 22 people: 88, 56, 64, 45, 52, 76, 54, 79, 38, 98, 69, 77, 71, 45, 60, 78, 90, 81, 87, 44, 80, 41. Find the Mean, Standard Deviation, and the 60th Perc
Sample data for daily production rate of fiber body of spots car is given below: 17, 21, 18, 27, 17, 21, 20, 22, 18, 23. The company production manager feels that a standard deviation of more than three bodies a day indicates unaccepta
The two cars drove a combined total of 1450 miles, and the sum of their fuel efficiencies was 40 miles per gallon. What were the fuel efficiencies of each of the cars that week?
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