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In a survey of 100 people who had recently purchased motorcycles, data on the following variables was recorded:
Gender of purchaserBrand of motorcycle purchasedNumber of previous motorcycles owned by purchaser Telephone area code of purchaserWeight of motorcycle as equipped at purchase
a. Which of these variables are categorical?
b. Which of these variables are discrete numerical?
c. Which type of graphical display would be an appropriate choice for summarizing the gender data, a bar chart or a dotplot?
d. Which type of graphical display would be an appropriate choice for summarizing the weight data, a bar chart or a dotplot?
What values would be appropriate for the performance measures listed in the preceding problem for the case in which two tellers are available?
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Find the conditional probability that a randomly chosen person from this population will contract both diseases, given that he or she has contracted at least one disease.
Comprehensive report is required indicating all the steps done and how we determine which model is good. (R or Excel can also be used. But mostly R needs to be done).
If you violate the INDIVIDUAL nature of the assignment, document the unauthorized help you receive by name and by the nature of the help received. There will be an academic penalty depending on the extent of the unauthorized help, but you will not..
Compute the correlation among the variables. Describe perfect correlation also negative correlation. Utilize the following data to answer questions related.
agri-pro is a company that sells agricultural products to farmers in a number of states. one service it provides to
If there is evidence that percentage of polished lenses that contain surface defects does not exceed 2%. A random sample of 240 lenses contains 5 defective lenses.
Find out best decision, by using following decision criteria.
You're considering paying $5 to buy a ticket in a local lottery. You were told that 10,000 tickets will be sold. There are 5 prizes. The first prize is $5,000, the second is $1,000, the third is $500, the fourth is $100 and the last prize is $10.
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