The Logic of the Chi-Square Test Would Argue That,for a Significant

question 88

Multiple Choice

The logic of the chi-square test would argue that,for a significant relationship to exist:

• A)there should be large differences between the observed and expected frequencies.
• B)there should be few differences between the observed and expected frequencies.
• C)there should be no differences between the observed and expected frequencies.
• D)there should be negative differences between the observed and expected frequencies.
• E)there should be only one difference between the observed and expected frequencies.

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Definitions:

Moving Average

A statistical measure to smooth out short-term fluctuations and highlight longer-term trends or cycles in data.

Exponential Smoothing

A technique used in time series forecasting that applies decreasing weights to past data, giving more importance to more recent observations.

Stationary Time Series

A type of time series data where statistical properties such as mean and variance are constant over time.

Price/Pound

Price per pound is a unit of measurement for cost relative to weight, commonly used to express the cost of goods sold by weight.