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Define the following graphical methods and describe how they are used.
a. Histogramb. Relative frequency histogramc. Frequency polygond. Cumulative frequency polygon (ogive)
A PC manufacturer claims that no more than 2% of their machines are defective. In a random sample of 100 machines, it is found that 5% are defective. The manufacturer claims this is a fluke of the sample.
listed below are actual high temperatures and high temperatures that were forcast one day earlier. construct a 95
Determining the strength of a correlation is very important to determine how well one variable can predict another. To determine the strength of a correlation, we have to calculate the correlation coefficient, r.
For large correlations, the SAS program simply states that p
a pharmaceutical company recieves large shipments of aspirin tablets. the acceptance smapling plan is to randomly
Consider the event "Ray is in the garage" and the event "Felix is not in the garage." Are these events mutually exclusive? What is the mean number of cats in my garage at 4:00 pm?
a bag contains 3 red marbles 4 green ones 1 lavender one 3 yellows and 2 orange marbleshow many sets of five marbles
In how many di?erent ways can 6 quali?ed individuals be assigned to three trainee positions available if the positions are identical three trainee positions eventually if the positions di?er?
a manager is trying to decide whether to buy one machine or two. if only one is purchased and demand proves to be
What are the five steps in the hypothesis testing procedure, what does each step represent, what are the advantages and disadvantages of using a hypothesis testing procedure?
A professor needs to select a volunteer for a project .which of the following would not be an example of a simple random sample ?A)he chooses a number between 00 and 99.
a box contains 10 blue and 5 red markers. find the probability of obtaining at least two red markers if four markers
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