Question: The data set below contains daily data on new and total Covid-19 cases in Harris county, TX. Estimate an exponential trend model for new Covid-19

The data set below contains daily data on new and total Covid-19 cases in Harris county, TX.

Estimate an exponential trend model for new Covid-19 cases. Which of the following is true with respect to the daily trend of new cases in Harris county?

a. New Covid-19 cases increased by 0.02 cases each day

b. New Covid-19 cases increased by 2% each day.

c. New Covid-19 cases increased by 12 cases each day.

d. New Covid-19 cases increased by 12% each day.

The data set below contains daily data on new and total Covid-19 cases in Harris county, TX. Estimate an exponential trend model for new Covid-19 cases. Which of the following is true with respect to the

Using the exponential trend model from the previous question, forecast the number of new Covid-19 cases for August 13, 2020 (that is for t=143). Please round the regression coefficients to 2 decimals prior to forecasting. Round your forecast to the closest integer.

Consider again the exponential trend model from the previous questions and use it to forecast the number of new cases for the entire date range (from March to August). Which of the following statements is correct?

The exponential trend model fits the data initially, but later underestimates the number of new cases.

The exponential trend model initially underestimates the number of new cases, but later fits the data.

The exponential trend model initially overestimates the number of cases, but later fits the data.

The exponential trend model fits the data initially, but then overestimates the number of new cases.

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