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1. Measure the height of a stack of 50 pennies (in centimeters).
2. Convert the height of the stack of pennies into meters
3. Calculate how many pennies would be needed to make a tower 1 billion meters tall. Give answer in both standard calculation and in scientific notation.
Is there evidence of difference in median performance between two methods? (Use α = 0.05.)
Find the difference between the actual y value and the predicted y value for each individual, square the differences and add the squared values to obtain ss residual.
Assume that the class has 60 students and that the examination period is 90 minutes in length. How many students do you expect will be unable to complete the exam in the allotted time.
What is the appropriate set of hypotheses to test such that a possible outcome of the test would indicate;
A manager wishes to find out whether there is a relationship between the number of radio ads aired per week and the amount of sales (in thousands of dollars) of a product. The data for the sample are shown below. a) Draw the scatter plot for the v..
A random sample of 90 printers discovered that 25 of them were being used in small businesses. Find the 95% limit for the population proportion of printers that are used in small buisnesses.
At the .01 significance level can we conclude the mean age is more than 8.4 years for the cars of university students? What is the p-value?
Can you please explain a general strategy for factoring in a very organized way. Give an example if possible.
Produce a printout of the frequency tables, showing the total of both frequencies.
Of the 900 employees, 590 had college degrees, 120 were single, and 80 were single college graduates. Find the probability that an employee of the company is married and has a college degree.
Any analysis required to check the required conditions (note that if you find that you cannot meet the required conditions for the test you expected to do, you must use the appropriate non-parametric test)
SmartPeople is an organization that only admits people with IQ's in the top 98 percentile. What IQ score would a person need to be a member of SmartPeople?
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