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What I need are relevant questions for a survey questionnaire that will be valid for testing each of 3 hypotheses. Include the variables tested.
1. More women than men will report having insomnia
2. Individuals are more likely to use over-the-counter (OTC) medication than prescription sleep medication when they have trouble getting to sleep.
3. Individuals are willing to change bedtime habits to get better sleep.
The scale I will be using is: (the number represents the points for each answer)
(1) Strongly Agree
(2) Agree
(3) Neutral
(4) Disagree
(5) Strongly Disagree
The means appear to be very close, but not the variances. At α = .05, is there a difference in variances? Show all steps clearly, including an illustration of the decision rule.
Estimate with 95% confidence the mean reduction in time it takes for someone who has taken the sleeping pill to fall asleep.
For the most recent year available, the mean annual cost to attend a private university in the United States was $20,182. Assume the distribution of annual costs follows the normal probability distribution and the standard deviation is $4,400.
(a) What is the sample proportion of Americans who believe there is intelligent life on other planets? (b) What is the standard error of the sample proportion? (c) Calculate a 90% CI for the population proportion of Americans who believe there is ..
What is the critical value for a two-tailed F-Test with a=0.10, when the sample size from which the variance for the numerator was obtained was 10,
Give a possible description why serum cholesterol values for older males are lower than for younger males and reverse is true for females.
what size sample should the director choose if she wishes to estimate the mean number of admissions per 24-hour period to within 1 admission with 99 percent reliability.
Calculate a 3-month moving average forecast for months 4 through 9 also Compare the two forecasts by utilizing MAD. Which forecast appears to be more accurate.
If Procter & gamble sells about 20 million bars of soap per week, but the demand is not constant, and production management would like to get a better handle on how sales are distributed over the year. What might be helpful to the production and (..
I'm trying to determine what happens to the sample size if the level of confidence is reduced from 95% to 90% but the allowable error and the standard deviation remain
Determine the point estimate? Give the symbol and value.
Let be the average of the pay you receive for the first and second week. Find the sampling distribution
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