Twenty Economists Were Sampled and Asked to Predict If the National

question 106

Multiple Choice

Twenty economists were sampled and asked to predict if the national economy would improve during the next 12 months. Eleven of the economists predicted an increase, two economists predicted no change, and seven economists predicted a decrease in the economy. Conduct a hypothesis test at the 0.10 significance level to determine if the majority of economists predict an increase. Based on the analysis, we would conclude that:

• A) the economists favor an increase in the economy.
• B) the economists favor a decrease in the economy.
• C) the economists favor no change in the economy.
• D) No conclusion can be reacheD.

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Definitions:

Cytokinesis

Cytokinesis is the process during cell division in which the cytoplasm of a single eukaryotic cell is divided into two daughter cells.

G₁ Phase

The first of four phases of the cell cycle in which the cell grows in size and synthesizes mRNA and proteins in preparation for subsequent steps leading to mitosis.

G₂ Phase

A phase of the cell cycle following DNA synthesis (S phase) and preceding mitosis (M phase), during which cells prepare for division and undergo growth and protein synthesis.

Meiosis

A type of cell division that reduces the chromosome number by half, resulting in the production of four genetically distinct haploid cells.