A popular social media platform has begun offering stock shares to the public. In the past 2 years, the price of the stock has generally increased. An investment specialist gathers data on the stock price over the past 2 years and proppses two models for estimating the growth of the steck, as shown in the scatterplots. Based on the scatterplots, which type of model is most suitable for estimating the stock price? O A power model is suitable because the scatterplc of log(weeks) against log(stock price) shows a curved relationship. O A linear model is suitable because the scatterplot of weeks against log(stock price) shows a strong linear relationship. log(Stock Price) vs. Weeks 2.28 O An exponential model is suitable because the scatterplot of log(weeks) against log(stock price) shows a curved relationship. 2.26 2.24 2.22 2.2 P 2.18 O An exponential model is suitable because the scatterplot of weeks against log(stock price) shows a strong linear relationship. 2.16 2.14 2.12 21 2.08 log(Stock Price)

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Describe three approaches to modeling seasonality in a regression forecast.

Plot the sales revenue figures and appropriate trend line on a graph and identify from this the choice of model for working out the seasonal component. Using the appropriate seasonal model, complete the calculations that are required to produce the required forecasts for quarters 1, 2, 3 and 4 of 2021. On the basis of your analysis explain the recommendation that you would make to ALAW Ltd regarding its future plans.

Pison/&user=tmorrison7&key%3DrotNBBCzVIsGRqZV8t.. Previous Problem Problem List Next Problem (1 point) Empathy means being able to understand what others feel. To see how the brain expresses empathy, researchers recruited 16 couples in their midtwenties who were married or had been dating for at least two years. They zapped the man's hand with an electrode while the woman watched, and measured the activity in several parts of the woman's brain that would respond to her own pain. Brain activity was recorded as a fraction of the activity observed when the woman herself was zapped with the electrode. The women also completed a psychological test that measures empathy. Subject 1 3 4 7 8 9 10 11 12 13 14 15 16 Empathy Score 41 48 39 56 64 63 59 53 Brain Activity -0.127 0.3910.02 0.378 0.015 0.404 0.11 0.513 0.149 0.736 0.254 0.573 0.217 0.72 0.355 0.786 47 52 64 73 12 68 28 120 1.2 sub ject Z F20 10,0 120 -8.4 Given that the equation for the regression line is y = 0.00619x +0.00032, what is…

An economist at Nedbank ran a study of the relationship between FTSE/JSE All Shares index return (JALSH) and consumer price index (CPI) from 2006 to 2017, the data collected is shown in the Table 1 below.  FTSE/JSE All Shares index return (JALSH) and consumer price index (CPI) from 2006 to 2017.    Year     JALSH (Y)     CPI (X)       2006     0.41     4.7       2007     0.19     7.1       2008     -0.23     11.5       2009     0.32     7.1       2010     0.19     4.3       2011     0.03     5.0       2012     0.27     5.6       2013     0.21     5.7       2014     0.11     6.1       2015     0.05     4.6       2016     0.00     6.4       2017     0.21     5.3       The estimated regression…