1.All of the following are true about a horizontal time series except

a. a plot of the time series exhibits a horizontal pattern

b. the process generating the data has a constant mean

c.there is no variability in the time series over time

d.its statistical are similar across time

2.All of the following are true about a logistic regression model except

a.the coefficients are estimated using Least Squares Estimation(LSE)

b.the coefficients are estimated using Maximum Likelihood Estimate(MLE)

c.the dependent variable is categorical(for instance, only takes two possible values)

d. to test the overall significance of a logistic regression model, the test statistic computed follows a chi-square distribution.