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Explain how important it is to report your data honestly and not manipulate the data in an attempt to prove your hypothesis. In addition, explain why it is important to ensure that your participants understand fully the extent of the research before you begin.
Determine Probability using exponential distribution.The average time between failures of a laser machine is exponentially distributed with the mean of 40,000 hours.
Find out the slope, b, and the intercept, a, for the least-squares line. Write the equation of the least squares line.
What do the coefficients of the regression line tell you about the relationship between mortgage rates and housing starts?
Develop a spreadsheet model to determine the optimal number of magazines to order each day. Use 500 replications and round the demand values generated by the normal random number generator (RNG) to the closest integer value.
The instructor wanted to "pass" anyone who scored above 69. What proportion of exams will have passing scores?
Create the box plot to represent data. Explain the distribution. Ensure to recognize the first and third quartiles and median.
Find out the expected shape of distribution of sample mean?
Assume that a population is normally distributed with a mean of 100 and a standard deviation of 15. Would it be unusual for the mean of a sample of 3 to be 115 or more? Why or why not?
The manager requires the estimate to be within 1.0 minutes of the population value. What sample size is needed?
As a test the truck company purchases a random sample of metal parts from Steel-R-Us, and then determines if these parts were delivered on-time. Which hypotheses should they test?
Using the least squares coded method, determine the equation for the straight line going through the earnings. Project, using the equation for the average hourly earnings for the year 1990
A fair die is rolled nine times. What is the probability that an odd number (1,3 or 5) will occur less than 3 times?
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