Author: Anonymous

In a multivariate time series (MVTS), weak stationarity requires certain properties to remain constant over time. Which of the following properties must be time-invariant according to the formal definition of weak stationarity for an MVTS? Note: Select all properties that are explicitly required by the definition of weak stationarity to not depend on time .

Consider the AR(1) process  

Which of the following is a “suprasegmental” property (a property above the level of individual sounds)?

Which vowel is known as “schwa” [ə] and is only found in unstressed syllables in English?

A “glottal stop” [ʔ] (like the sound in the middle of “uh-oh”) is produced by:

If you are describing a vowel as “high, back, and rounded,” which English word contains this vowel?

Consider the “th” in the word “thin” versus the “th” in “then.” What is the primary phonetic difference between these two sounds?

If you are transcribing the word “baked,” which final consonant symbol should you use?

What is the difference between a “monophthong” and a “diphthong”?

In the transcription [əˈbaʊt], which word is being represented in North American English?