On March 12, we did a warm-up exercise. What is the estimate for $\beta_1$?

Question

BlackTom AI · Accepted Answer

The provided data set includes a single numerical question and an empty list for answer options, which means there are no multiple-choice choices to analyze.

Option analysis cannot proceed as there are no alternatives to compare. In a typical numerical or regression context, when asked for an estimate of beta1, you would normally:
- Identify the model form, e.g., y = beta0 + beta1 * x, or a similar relation.
- Use the available data points (x, y) to compute the slope estimate. In a simple linear regression, beta1 is estimated as the covariance of x and y divided by the variance of x, i.e., beta1_hat = Cov(x, y) / Var(x).
- Alternatively, in a standardized or different functional form, you would apply the corresponding estimator (e.g., from least squares, or using a matrix formulation beta_hat = (X'X)^{-1} X'y).

Because no answer options are provided, we cannot evaluate whether 0.429312 is correct or incorrect, nor can we point out specific misinterpretations among choices. If the task is to assess a numerical result, you would need the underlying data (the paired observations used to fit the model) or at least the method used to derive beta1 to verify the value.

If you can share the data used on March 12 for the warm-up exercise or the regression setup (what x and y represent, and whether this is a simple or multiple regression), I can walk through the calculation step by step and confirm whether 0.429312 is the appropriate estimate for beta1 or show how to compute it from the data.

251ECON-184B-1 Pop-up 5

On March 12, we did a warm-up exercise. What is the estimate for \(\beta_1\)?

查看解析

登录即可查看完整答案

类似问题

When attempting to communicate how much one variable changes on average as a function of the other, which of the following measures is most appropriate?

The beta coefficient in a multiple regression equation indicates:

In a consumer society, many adults channel creativity into buying things

Economic stress and unpredictable times have resulted in a booming industry for self-help products

People born without creativity never can develop it

A product has a selling price of $20, a contribution margin ratio of 40% and fixed cost of $120,000. To make a profit of $30,000. The number of units that must be sold is: Type the number without $ and a comma. Eg: 20000

Which of the following statement regarding cost is correct:

Under the assumptions used in cost-volume-profit analysis, as the activity increases:

更多留学生实用工具

考试浏览器助手

风格化写作助手

论文查重助手

文献引用助手

课堂转译助手

课堂笔记助手

Quiz搜索助手

学校历年真题

智能刷题助手

智能匹配练习

希望你的学习变得更简单