A company has been rating television programs for more than 60 years. It uses several sampling procedures, but its main one is to track the viewing patterns of 20,000 households. These contain more than 45,000 people and are chosen to form a cross-section of the overall population. The households represent various locations, ethnic groups, and income brackets. The data gathered from the sample of 20,000 households are used to draw inferences about the population of all households in the United States. Complete parts (a) and (b) below.What strata are used in the sample? Choose the correct answer below. A. The various locations, ethnic groups, and income brackets that are represented B. The various sampling procedures and viewing patterns C. The number of households and people that are chosen D. The television ratings Why is it important to have a stratified sample for these ratings? Choose the correct answer below. A. Stratified sampling ensures that all of the members of one or more groups are used. B. Stratified sampling ensures that the television ratings are accurate. C. Stratified sampling ensures that each segment of the population is represented. D. Stratified sampling ensures that only households in the U.S. are sampled

A company has been rating television programs for more than 60 years. It uses several sampling procedures, but its main one is to track the viewing patterns of 20,000 households. These contain more...

A company has been rating television programs for more than 60 years. It uses several sampling procedures, but its main one is to track the viewing patterns of 20,000 households. These contain more than 45,000 people and are chosen to form a cross-section of the overall population. The households represent various locations, ethnic groups, and income brackets. The data gathered from the sample of 20,000 households are used to draw inferences about the population of all households in the United States. Complete parts (a) and (b) below.

What strata are used in the sample? Choose the correct answer below.

The various locations, ethnic groups, and income brackets that are represented

The various sampling procedures and viewing patterns

The number of households and people that are chosen

The television ratings

Why is it important to have a stratified sample for these ratings? Choose the correct answer below.

Stratified sampling ensures that all of the members of one or more groups are used.

Stratified sampling ensures that the television ratings are accurate.

Stratified sampling ensures that each segment of the population is represented.

Stratified sampling ensures that only households in the U.S. are sampled

Jun 03, 2022

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A company has been rating television programs for more than 60 years. It uses several sampling procedures, but its main one is to track the viewing patterns of 20,000 households. These contain more...

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A company has been rating television programs for more than 60 years. It uses several sampling​ procedures, but its main one is to track the viewing patterns of​ 20,000 households. These contain more...

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A company has been rating television programs for more than 60 years. It uses several sampling procedures, but its main one is to track the viewing patterns of 20,000 households. These contain more...