Answer the following question true or false:
The seasonal index is an indicator of forecast accuracy.
Answer the following question true or false: The seasonal index is an indicator of forecast accuracy.
In a multiplicative seasonal model, we multiply a “base” forecast by an appropriate seasonal index. These seasonal components typically average to 0. True or False?
Answer each of the following question by TRUE or FALSE. The t−statistic is an indicator of the level of significance of correlation.
TRUE OR FALSE: generally firms that have cash flows with high seasonal cash flows or cash flows that are just generally harder to forecast prepare cash budgets more frequently compared to firms with cash flows that are less seasonal and/ or more predictable?
5. The components of time-series are: a. Trend, Seasonal, Movement, and Random b. Trend, Mobility, Cyclical, and Seasonal c. Trend, Seasonal, Cyclical, and Random d. Trend, Seasonal, Cyclical, and Perfection The mean absolute deviation measures the accuracy of a forecast by calculating.. a. the mid-point of absolute forecasting error per period of historical data. b. the average absolute forecasting error per period of historical data. c. the standard deviation of absolute forecasting error per period of historical data d. both...
True or False: A silver electrode cannot be used as an indicator electrode for Ag+ and Cl-. A. True B Falco
Colours of phenolphthalein indicator 100 Alkaline End-point True False 1. The phenolphthalein indicator is not affected by the pH of the solution. 2. The phenolphthalein Indicator changes colour close to the point of neutralisation which shows the end-point of the titration, 3. When adding acid to base the phenolphthalein indicator changes colour from colourless to pink at the end of the titration Titra Acids and alkalis
Indicate whether the following are TRUE or FALSE. _____. The working capital (current) ratio is an indicator of a company’s liquidity. _____ Accounts Receivable is an example of an intangible asset. _____. Merchandise Inventory would be debited when goods are purchased by a company that uses a periodic inventory system. _____. Accumulated depreciation is an account that appears in the income statement.
Answer the following True/False questions: T F Pruning a model will generally improve the model’s accuracy on the training set. T F Pruning can be effective at limiting the effects of noise. T F Decision Trees are robust to irrelevant and redundant features T F Minimum Description Length can be used to determine which pruned decision tree to choose amongst 20 alternatives? T F A good decision tree algorithm will always find the optimal decision tree.
Question 16 3 pts True or false? Using index shifting, we can rewrite as =(x + 3)? True False
QUESTION 27 Suppose the following are the seasonal indices for the first three quarters of the year for a quarterly series: Quarter Seasonal Index Q1 71.6 Q2 83.2 Q3 106 Remember that the seasonal indices should average 100 so you should be able to infer the seasonal index for Q4. Furthermore, suppose that the estimated coeffcients from a regression of the deseasonalized series on Time are given below: Coefficients Intercept 2,942 Time 67.1 What is the trend projection of the...