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The Surgical Intensive Care Unit would like to be better prepared by forecasting the number of surgical patients they should expect. The past 15 days shows the following numbers of surgeries performed. Conduct a 3-period moving average, an exponential smoothing forecasting using an alpha of .25, and a seasonal forecast with 3 seasons.
Day
Surgeries
1
10
2
8
3
12
4
5
9
6
14
7
11
15
13
16
18
a) Forecast for day 16 using 3-period Moving Average = ________________
b) Forecast for day 16 using Exponential Smoothing (alpha = .25) =________
Forecast for day 16 using Seasonality with 3 seasons = _______________
If life of wild pheasants follows a normal distribution with a mean of 9 months and a variance of 9, what percent of the population will be less than 11 months of age.
Using standard normal table, show critical value for left-tailed test with α = 0.02.
A test of hypothesis is conducted at the .05 level of significance to test either or not the population correlation is zero.
Interpret the correlation between each set of variables.
Suppose that the results of the sample lead to rejection of the null hypothesis. Classify that conclusion as a:
The average age of the students in the sample was 23 with a standard deviation of 3.5: a) Formulate the hypotheses for this problem.
Calculate the correlation coefficient. What is the coefficient of determination from these sample statistics? What does this coefficient indicate?
Test either there is any difference among the given variable also what does the Levene's Test shows. What variable is presented in this table.
It is known that 60 percent of all registered voters in the 42nd congressional District are Republicans. There registered voters are selected at random from the district. Compute the probability that exactly 2 of the 3 selected are Republicans, u..
In a study of the consumer's view of the economy, the probability that a consumer would buy a house during the year was 0.0013, and the probability that the consumer would buy a car during the year was 0.198. There was also a 0.0100 probability t..
The probability that a bomber hits a target on a bombing mission is 0.700. Three bombers are sent to bomb a particular target.
Solve different inventory control problems using an appropriate OR method.
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