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The question to address is: "What have you learned about statistics?" In developing your responses, consider - at a minimum - and discuss the application of each of the course elements in analyzing and making decisions about data (counts and/or measurements).
The course elements include:
• Descriptive statistics
• Inferential statistics
• Hypothesis development and testing
• Selection of appropriate statistical tests
• Evaluating statistical results.
Choose at random one of the random sample averages of 5 rectangles. Calculate the average value for a random sample of 20 rectangles.
Scores on a test have a mean of 73 and Q3 is 81. The scores have a distribution that is approximately normal. Find P90.
A machine that cuts corks for wine bottles operates in such a way that the distribution of the diameter of the corks produced is well approximated by a normal distribution with mean 3 cm and standard deviation 0.1 cm.
Victor Anderson, the owner of Anderson Belts, Inc., is studying absenteeism among his employees. His workforce is small, consisting of only five employees. Determine a typical seasonal index for each of the four quarters
the number of hours per day a college student spends on homework has a mean of 6 hours and a standard deviation of 1.25
a standard 52-card deck is shuffled and 2 cards are picked without replacement from the top of the deck. the
a production process requires a fixed cost of 50000. the variable cost per unit is 25 and the revenue per unit is
Suppose that you draw a random sample of 27 cans. Find the probability that the mean weight of the sample is less than 6.19 ounces.
Estimate and interpret the p-value of the calculated test statistic above.
At the time she was hired as a server, beth was told, "you can average more than $20 a day in tips." Over the first 35 days she was employed at the resturant, the mean daily amount of her tips was $24.85, with a standard deviation of $3.24.
A retailer wants to estimate with 99% confidence the number of people who buy at his store. A previous study showed that 15% of those interviewed had shopped at his store.
Is there a relationship between the race of violent offenders and their victims? Data from the U.S. Department of Justice
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