Solve the Problem Suppose a Week's Groceries in 1975 Cost $85

question 126

Multiple Choice

Solve the problem.
-A part of the Consumer Price Index (CPI) is given below: $$\begin{array} { c | c | c | c | c | c } \text { Year } & 1975 & 1980 & 1985 & 1990 & 1995 \\\hline \text { CPI } & 53.8 & 82.4 & 107.6 & 130.7 & 152.4\end{array}$$ Suppose a week's groceries in 1975 cost $85. What would these groceries cost, to the nearest dollar, 20 years later?

• A)$33
• B)$184
• C)$237
• D)$241

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Definitions:

SSB

The sum of squares between groups, a measure used in analysis of variance to compare the variance between different groups' means.

SST

A statistical measure in analysis of variance, representing the total variation in a dataset (Sum of Squares Total).

Factorial Research Designs

Experimental designs that allow researchers to examine the effects of two or more independent variables on a dependent variable, as well as the interaction effects between variables.

Interaction Effect

The effect on a dependent variable that arises from the combination of two or more independent variables, rather than from any single variable.