Author Question: How does a time series plot differ from a histogram? a. A histogram displays one measurement ... (Read 84 times)

sarasara · **on:** Jul 24, 2018

How does a time series plot differ from a histogram?
a. A histogram displays one measurement variable, but a time series plot displays data with two measurement variables (time is one of them).
b. A histogram displays data collected at one point in time, while a time series plot displays data collected over a series of times.
c. If a histogram is flat, that indicates more variability than if it were bell-shaped. If a time series plot is flat, that indicates less variability than if it were bell-shaped.
d. All of the above.

Question 2

Which of the following does not describe a time series?
a. A time series is a record of a variable across time.
b. A time series is usually measured at equally spaced time intervals.
c. A time series is a data set on numerous individuals measured in units of time (for example, time until completion of the obstacle course; or time until graduation).
d. All of the above describe a time series.