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Solve for the following items:
a. The point on the x-axis that is equidistant (equal distance)from (10,4) and (6,2).
b. The distance between the points (4,4) and (20,4).
c. The distance between the points (1,4) and (19,5).
d. The midpoint between (12,4) and (18,6)
e. The midpoint between (-8,-6) and (25,3)
You are the production manager of a company. Parachutes are woven in your factory using a synthetic fiber purchased from one of four different suppliers. The most important outcome for parachutes is strength of the fabric.
At the 5 percent level of significance, can we conclude that the mean weight is greater than 16 ounces? Determine the p- value.
Provided an example of a research problem at any organization that would benefit from the employ of either descriptive statistics or probability distribution statistics.
Last week I used a stopwatch to measure the echo time of my snare drum in the hall outside my classroom, which is 80 meters long. The average echo time was 10 milliseconds.
How can you or your department decide whether or not the variation is important? How could using a mean difference test help?
Describe the circumstances under which you should use ANOVA instead of t tests, and explain why t tests are inappropriate in these circumstances. Find a peer-reviewed article that reflects these circumstances, describe the research conducted (i.e...
Researchers are studying the absorption of two drugs into the bloodstream. Each drug is to be injected at three dosages. There are 24 people in the study, and they are randomly divided into six groups.
In 1,000 samples, assuming that H 0 is true, how many times would you expect to commit Type I error if:
Mean and standard deviation are 584.6 and 34.28
Assume that random variables X1,.....,X50 are independent and all have probability density function fX(x) = 1/x for 1
A candy company claims that 92% of consumers like their candies. To test this claim, 9571 people are selected at random from those who have eaten the company's candies.
People were polled on how many books they read the previous year. How many subject are needed to estimate the number of books read the previous year within one book with 99% confidence?
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