The Following Scatterpolt Shows the Percentage of the Vote a Candidate

question 16

Multiple Choice

The following scatterpolt shows the percentage of the vote a candidate received in the 2004 senatoral elections according to the voter's income level based on an exit poll of the voters conducted bu CNN. The income levels 1-8 correspond to the followng income classes: 1=under $15,00; 2=$15-30,000; 3=$30-50,000; 4=$50=75,000; 5=$75-100,000; 6=$100-150,000; 7=$150=200,000; 8=$200,000 or more.

Use the election scatterplot to determine whether there is a correlation between percentage of vote and income level at the 0.01 significance level with a null hypothesis of P_z=0 .

• A) The test statistic is between the critical values, so we fail to reject the null hypothesis. There is no evidence to support a claim of correlation between percentage of vote and income level.
• B) The test statistic is not between the critical values, so we fail to reject the null hypothesis. There is no evidence to support a claim of correlation between percentage of vote and income level.
• C) The test statistic is between the critical values, so we reject the null hypothesis. There is sufficient evidence to support a claim of correlation between percentage of vote and income level.
• D) The test statistic is not between the critical values, so we reject the null hypothesis. There is sufficient evidence to support a claim of correlation between percentage of vote and income level.

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Definitions:

Tariffs

Taxes imposed by a government on goods and services imported from other countries, intended to protect domestic industries from foreign competition.

Agricultural Products

Items produced through farming and agriculture, including foods, fibers, fuels, and raw materials.

Agricultural Subsidies

Government financial assistance to farmers to supplement their income, stabilize food prices, and ensure a reliable food supply.

Tariffs

Taxes imposed on imported goods and services, which are typically used by governments to regulate trade and protect domestic industries.