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Develop a 95% confidence interval for the amount of total itemized deductions for all taxpayers with an adjusted gross income of $52,500 (to the nearest whole number).
If the sample size is 36 with three treatment means (response variables) and you are performing an ANOVA, then the degrees of freedom for the error term will be:
A random sample of n=31 households is asked the number of TV sets in the household. The responses are-What is the mean number of TVs?
The GMAT scores of MBA students is assumed to be distributed normally with a mean of 530 and a standard deviation of 80. The GMAT scores of ten students are selected randomly.
A survey is being planned to determine the mean amount of time corporation executives watch television. A pilot survey indicated that the mean time per week is 12 hours, with a standard deviation of 3.0 hours.
There is enough evidence at a significance level of 10%, to conclude that the content average sodium this brand of corn flakes is 130 milligrams?
Clouds were randomly seeded or not with silver nitrate. Rainfall amounts were recorded from the clouds. The purpose of the experiment was to determine if cloud seeding increases rainfall. The following data is obtained:
Estimating the value of the population mean on the basis of the sample mean alone produces a(n):
If the sum of squares total is 800 and the sum of squares error is 170. What is the r-squared value?
A survey of undergraduate students in the School of Business at Northern University revealed the following regarding the gender and majors of the students:
What is the probability that a random person has an IQ between 85 and 115? Find the 90th percentile of the IQ distribution.
Critically the difference between Paramaeter and Statistics and Critically discuss the concept of operationalize? What are focus groups
Burnwood Tech plans to issue some $60 par preferred stock with a 6% dividend. A similar stock is selling on the market for $70. Burnwood must pay flotation costs of 5% of the issue price.
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