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Even when the economy is holding steady, the unemployment rate tends to fluctuate because of seasonal effects. For example, unemployment generally goes up in Quarter 3 (summer) as students (including new graduates) enter the labor market. The unemployment rate then tends to go down in Quarter 4 (fall) as students return to school and temporary help is hired for the Christmas season. Therefore, using seasonal factors to obtain a seasonally adjusted unemployment rate is helpful for painting a truer picture of economic trends. Over the past 10 years, one state's average unemployment rates (not seasonally adjusted) in Quarters 1, 2, 3, and 4 have been 6.2 percent, 6.0 percent, 7.5 percent, and 5.5 percent, respectively. The overall average has been 6.3 percent. (Use hand calculations below rather than an Excel template)
(a) Determine the seasonal factors for the four quarters.
(b) Over the next year, the unemployment rates (not seasonally adjusted) for the four quarters turn out to be 7.8 percent, 7.4 percent, 8.7 percent, and 6.1 percent. Determine the seasonally adjusted unemployment rates for the four quarters. What does this progression of rates suggest about whether the state's economy is improving?
Informed Consent would be used in qualitative and quantitative research for data collection, and how each may impact it from a qualitative and quantitative standpoint
Briefly describe the shape, location and spread of the distribution of Admissions with appropriate linking to the descriptive statistics.
in the june 2007 issue consumer reports examined top laoding and front loading washing machines testing samples of
a. Determine the least-squares regression equation for y as a function of x, then estimate y if the average mortgage rate is x = 8.0%. b. What percentage of the variation in affordability (y) is explained by the average mortgage rate (x..
a civil service exam yields scores which are normally distributed with a mean of 81 and a standard deviation of 5.5.
1.Refer to the time series data in Exercise 1. Using the average of all the historical data as a forecast for the next period, compute the following measures of forecast accuracy:
expectation of the statistic that was proposed by Statistician - Based on the information collected in Tasks 1-8, which of the two statistics produces values which tends to be more concentrated about the expectation of the measurement?
a study of computer-assisted learning examined the learning of blissymbols by children. blissymbols are pictographs
It is believed that the effects of smoking differ depending on race. The following table gives the results of a statistical study for this question.
a population has a standard deviation of 50. a random sample of 100 items from this population is selected. the sample
Assuming a normal distribution of item values, what percentage of values would you expect to be out of bounds when the process is in control? Accordingly, how would you de?ne "too many"? What do you think is the rationale for this practice?
question 1 scores are obtained from the law school admission test lsat are normally distributed with a mean score of
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