Compute mad and mse
Determine the error for each of the following forecasts. Compute MAD and MSE. Period Value Forecast Error 1 202 - - 2 191 202 3 173 192 4 169 181 5 171 174 6 175 172 7 182 174 8 196 179 9 204 189 10 219 198 11 227 211
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Of all college degrees in the United States, 50% are bachelor's degrees, 59% are degrees earned by women and 29% are bachelor's degrees earned by women. What percent of all degrees are earned by men?
The federal government decides to screen the entire population for the disease and then administer the treatment. Will people be more likely or less likely to get bright green skin if such a policy is adopted? Give an estimate of the change in lik
What percentage of these students drink coffee or smoke cigarettes? What percentage of these students drink coffee but smoke cigarettes? What percentage of these students neither drink coffee nor smoke cigarettes?
You toss a coin five times. Each time it lands on heads, you double your money. Each time it lands on tails you lose half of your money. You start with two dollars. What is the expected amount that you earn?
Construct a 95% confidence interval for the average amount its credit card customers spent on their first visit to the chain's new store in the mall.
A researcher investigated the effect of volume of background noise on participants' accuracy rates while performing a difficult task. He tested three groups of randomly selected students and obtained the following means and sums of
Let X be a discrete random variable with possible values x = -1,0,1,2 and probability function f(x) = kx3 + 0.15 for x = -1,0,1,2.
The birth weights for twins are normally distributed with a mean of 2353 grams and a standard deviation of 647 grams. Use z-scores to determine which birth weight could be considered unusual.
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Evidence of Cultural Impact: The cultural impact of economic factors can be observed through specific practices and initiatives within the NSHA:
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