Blog

All of the following would be considered red flag warning signs during a vestibular screening, EXCEPT:

You are working on LE strengthening and balance with a patient s/p CVA. The patient is struggling significantly to participate in standing activities today due to severe dizziness and vertigo. All of the following would be good options to try to decrease the dizziness and improve tolerance, EXCEPT:

What is the 3-month Moving Average prediction for milk production in May 2023?

What is the cost of maintenance for a 5-year-old car which ran 100,000 miles as per the quadratic model?

The meteorological department has monthly precipitation data on Lake Mendota for 1 year. A new research assistant wants to calculate a nine-period moving average for the precipitation data. How many observations will she lose in the process?

What is the Variance Inflationary Factor (VIF) of X3?

Use the following data to answer Questions 25-29 Ticket sales for a certain football event are tracked yearly through 1995-2020 to study and forecast the tendency of future ticket sales (in thousands).  Coding 1995 as the zeroth year, the observations and tabulation for various model are given below. “Coded” is the coded year and “Quadratic” is the quadratic of coded year.    

A second-order autoregressive model for annual average mortgage rate is: Rate i = 1.5 + 1.0(Rate) i-1 – 0.95 (Rate) i-2 If the average mortgage rate in 2023 was 1.35, and in 2022 was 2.0, the forecast for 2025 is

What elements of time series data do you observe?

The alternative hypothesis to test the significance of the quadratic term at the 5% significance level is: