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The number of girls who attend a summer basketball camp has been recorded for the seven years the camp has been offered. Use exponential smoothing with a smoothing constant of .8 to forecast attendance for the eighth year.
47, 68, 65, 92, 98, 121, 146
Find a 95% confidence interval for the proportion p of the inner-city, working-class group who eventually became alcoholics.
Two independent samples of sizes n1 = 50 and n2 = 50 are randomly selected from two populations to test the difference between the population means. The sampling distribution of the sample mean difference, is:
Of the 1,4000 homemakers sampled, 420 were able to identify the brand by name. Compute the standard error of the proportion.
Find at least what percentage of all homeowners in this city pay a monthly mortgage of 865 to 1,675.00.
Determine mean of distribution shown. Give the mean of following probability distribution?
For adults 60 years or older, they found a mean daily intake of 721 mg with a standard deviation of 454 mg. Using these values for the mean μ and standard deviation σ for the U.S. population:
Dividend is expected to grow 7% a year for next 3 years and then at 5% a year after that. Determine the expected dividend per share for each of the next five years?
What other information would you like to know to answer the question about salary equity between the genders? Why?
Confirm that these statements are accurate by finding the geometric mean rate of increase.
If Molly and Kathleen wishes to make a profit of $5,000 for summer, how many pupils do they require to enrol?
Below you are given a partial computer output based on a sample of 16 observations.
To test there is significant difference among the mean of income using ANOVA. A developer of real estate is considering investing in a shopping mall on the outskirts of Atlanta, Georgia.
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