by ella | Feb 26, 2025 | Statistics
Question 1 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 Question 2 The U.S. Census Bureau...
by ella | Feb 26, 2025 | Statistics
· Question 1 5 out of 5 points A bag contains 4 red marbles, 3 blue marbles, and 7 green marbles. If a marble is randomly selected from the bag, what is the probability that it is blue? · Question 2 5 out of 5 points Of 1,735 people who came into a blood bank to give...
by ella | Feb 26, 2025 | Statistics
1.Of 84 adults selected randomly from one town, 62 have health insurance. Find a 90% confidence interval for the true proportion of all adults in the town who have health insurance.A. 0.626<p<0.850B. 0.615<p<0.862C. 0.644<p<0.832D....
by ella | Feb 26, 2025 | Statistics
8-2 #28Original Claim: Women have heights with a standard deviation equal to 5.00cm. The hypothesis test results in a P-value of 0.0055. Assume a significance level of a=0.05 and use the given information for the following.A. State a conclusion about the null...
by ella | Feb 26, 2025 | Statistics
Chapter 5 1. Total cholesterol in children aged 10-15 is assumed to follow a normal distribution with a mean of 191 and a standard deviation of 22.4. What proportion of children 10-15 years of age have total cholesterol between 180 and 190? What proportion of children...
