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Stock 1 closing price over the last month has a mean of 31.2 and a standard deviation of 1.9Stock 2 closing price over last month has the mean of 59.2 and the standard deviation of 3.3Determine which has higher coefficient of variation?
A. stock 1
B. stock 2
C. are the same
D. can't be determined from data provided
You are given the choice of three doors. Behind one is a new car and the others hide a barnyard animal for you to keep. After you choose door number one, your host (Monty) opens door three to reveal a goat.
After polling every 8 th graduate, a major university estimated annual salary of its alumni to be $103,000. What sampling technique was used?
The trail was repeated 54 times with 22 correct identifications and 32 wrong identification.
If one of the Titanic passengers is randomly selected, find the probability of getting a woman or someone who didn't survive the sinking.
As an aid for improving students' study habit, nine students were randomly selected to attend a seminar on the importance of education in life. The table shows the number of hours each student studied per week before and after the seminar.
In a recent survey 35 percent indicated chocolate was their favorite flavor of ice cream. Suppose we select a sample of 10 people and ask them to name their favorite flavor of ice cream.
Company are interested in how a new spaghetti sauce made from green tomatoes (and green in color) will compare to their traditional red spaghetti sauce. They are worried that the green color will adversely affect the tastiness scores.
The following ANOVA summary data are the result of a regression with sales per year (dependent variable) as a function of promotion expenditures per year (independent variable) for a toy company.
The estimated salary range is $4,500, the margin of error should be $100 and the desired level of confidence is 95%.
What is the probability all three of the selected homes have a security system?
Final step to be performed when testing hypothesis of population mean is to?
People in a large population average 60 inches tall. You take a random sample and will be given a dollar for each person in your sample who is over 65 inches tall.
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