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You conducted a Chi-Square Goodness of Fit Test in your ASCI 691 capstone project. Unfortunately, you did not get the sample size you had hoped for during your research. You were able to get 55 in the sample. Calculate your actual power (post hoc). You did a 2 X 2 table. Assume you had a medium effect size.
At a large department store, the amount a shopper spent and the shopper's gender (male or female) were recorded. To determine if gender is useful in explaining the amount of money a shopper spends at the store we could
you take a trip by air that involves three independent flights. if there is an 77 percent chance each specific leg of
how does the t distribution compare with normal distribution? how does this difffference affect the size of confidence
A. Determine the regression equation. B. Determine the estimated sales if 40 contacts are made.
Claculate the exponential also adjusted exponential smoothing forecast and linear trend forecasting. The hotel has experienced the following occupancy rates for the past 9 years.
If we assume that attention spans are normally distributed, find a 95% confidence interval for the mean attention span of children playing with this new toy. What is the lower limit of the confidence interval.
Suppose that the grams of fat have a normal distribution and form 90%, 95%, and 99% confidence intervals for the mean grams of fat. Based on this data, can we say that the labeling on the package is misleading?
question in this problem we will perform regression analysis on the sepal and petal measurements of the first 50
The East Coast researcher decides to construct a two-sided 99% confidence interval. Which researcher will have the more precise estimate?
Over the past 50 years, the number of hurricanes that have been reported are as follows: 9 times there were 7 hurricanes, 14 times there were 8 hurricanes, 19 times there were 11 hurricanes, and in the remaining years there were 14 hurricanes. Wha..
Compute a 3-month moving average forecast of demand for April through January (of the next year).
A survey was conducted to measure the height of men. In the survey, respondents were grouped by age. In the 20-29 age group, the heights were normally distributed, with a mean of 67.8 inches and a standard deviation of 4.0 inches. A study particip..
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