Answer:
A. A panel that consists of households that provide purchasing information at specified intervals over an extended period
Explanation:
Longitudinal design in research is a method that involves repeated examination of the same variables over a short or long term to see if there is any changes that occur.
A fixed sample is measured repeatedly to gain information.
A panel that consists of households that provide purchasing information at specified intervals over an extended period, is an example of longitudinal design.
The fixed sample is the panel of households, and they repeatedly provide purchasing information.
So the same sample is measured continuously over a period of time
Basically the points help get you static up i guess, I'm not sure.
Answer: The percentage of respondents said that the gas prices are“Not at all annoying” are 12.57%
Explanation: There are 1018 respondents out of which 128 respondents said that the gas prices are “Not at all annoying”

Where, Number of respondents “Not at all annoying” = 128
Total Number of respondents = 1018
Percentage of the respondents = 128 ÷ 1018 * 100
Percentage of the respondents = 0.1257367 *100
Therefore, the percentage of respondents who said is not annoying is 12.57%.
Answer:
(64,000- 5,200 = 58,800).
Explanation:
Subtract your originial cost from the residual value. (64,000- 5,200 = 58,800).