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Random samples
a. Use a random number table (or a random number generator in a computer or calculator) to select 5 distinct random numbers between 00 and 99. Find the 5 rectangles with these numbers, using 00 to represent rectangle number 100, and mark them on the sheet. This is your random sample of five rectangles.
b. Compute the areas of these five sampled rectangles, and find the average. How does the average of the random sample compare with your guess in step 1a? How does it compare with your average for the subjective sample?
c. The instructor will collect the averages from the random samples of size 5 and construct a dot plot. How does this plot compare with the plots of the guessed values and the averages from the subjective samples in terms of center? In terms of spread?
the business manager of a local health clinic is interested in estimating the difference between the fees for extended
Suppose your prior on θ isuniform on [0, 1] and that she then makes two shots in a row. Assume that the outcomes of thetwo shots are independent.
In order to test a new car, an automobile manufacturer wants to select 4 employees to test drive the car for one year. If 12 management and 8 union employees volunteer to be test drivers and the selection is made at random, what is the probability..
Analyze the Descriptive stats for each numeric variable, Histogram for each numeric variable, Bar chart for each attribute (non numeric) variable and Scatter plot if the data contains two numeric variables.
The hospital was 12.0 weeks with the standard deviant of 1.0 week. Out of 100 patients, how many would you expect to stay longer than 13 weeks?
Indeed, second movers require a different set of competencies, resource allocations and capabilities than what is required to be good first mover. Which organizations are generally thought of as excellent second movers,
OHIP records show the average length of stay in Ontario hospitals is 5.4 days. A researcher sampled 125 patient records at US hospitals and found that the mean stay was 4.6 days
towards the end of the semester some statistics students decides that it might be helpful to stude in groups for their
In random samples of 12 from each of two normal populations, we found the following statistics: Describe what happens when the sample standard deviations get larger.
Thermometers are normally distributed with a mean of O Celsius and a standard deviation of 1. OO Celsius, Find the probability that a randomly selected thermometer reads between - 2.23 and - 1.25 and draw a sketch of the region. The probability is..
Agricultural researchers are studying three different ways of planting peanuts to determine whether significantly different levels of production yield will result.
consider the formula used for any confidence interval and the elements included in that formula. what happens to the
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