Câu hỏi:
14/10/2024 24Consider the following picture and suggest the model from the following list that best characterises the process:
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Trả lời:
Chọn đáp án: C
CÂU HỎI HOT CÙNG CHỦ ĐỀ
Câu 1:
If a residual series is negatively autocorrelated, which one of the following is the most likely value of the Durbin Watson statistic?
Câu 2:
What would be the consequences for the OLS estimator if autocorrelation is present in a regression model but ignored?
Câu 3:
Consider a series that follows an MA(1) with zero mean and a moving average coefficient of 0.4. What is the value of the autocorrelation function at lag 1?
Câu 4:
A process, xt, which has a constant mean and variance, and zero autocovariance for all non-zero lags is best described as:
Câu 5:
A normal distribution has coefficients of skewness and excess kurtosis which are respectively:
Câu 6:
If a regression equation contains an irrelevant variable, the parameter estimates will be
Câu 7:
Which one of the following best describes most series of asset prices?
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