Which of the Following Is True Regarding the Sampling Distribution

question 12

Multiple Choice

Which of the following is true regarding the sampling distribution of the mean for a large sample size? Assume the population distribution is not normal.

• A)It has the same shape,mean and standard deviation as the population.
• B)It has the same mean as the population,but a different shape and standard deviation.
• C)It the same mean and standard deviation as the population,but a different shape.
• D)It has the same shape and mean as the population,but a different standard deviation.

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Definitions:

Seasonal Effect

A periodic effect that recurs or fluctuates in a predictable pattern over a year due to the change in seasons.

Time Series

A sequence of data points collected or recorded at successive time intervals, often analyzed to identify trends, cycles, and forecasts.

Moving Average Model

A statistical model used for forecasting future values based on past averages of data points.

Three-period Moving Average

A method of smoothing time series data by calculating the average of three consecutive values at a time.