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1. Define statistics.
Choose the correct answer below.

A. Statistics encompasses all scientific disciplines in which percentages are used, data are analyzed, and probabilities are found. In addition, statistics references any mathematical model which is reported using percentages or proportions.
B. Statistics is the science of collecting, organizing, summarizing, and analyzing information to draw a conclusion and answer questions. In addition, statistics is about providing a measure of confidence in any conclusions.
C. Statistics encompasses all scientific disciplines in which random occurrences are analyzed. In addition, statistics references any random occurrence which is reported using percentages or proportions.
D. Statistics is the science of manipulating, reorganizing, and editing information to produce the desired results. In addition, statistics is about providing the required answer with the desired level of confidence.

2. Explain the difference between a population and a sample.
Choose the correct answer below.

A. A population is a person or object that is a member of the sample being studied while a sample is the entire group that is being studied.
B. A population is the entire group that is being studied while a sample is a subset of the population that is being studied.
C. A population is a subset of the sample that is being studied while a sample is the entire group that is being studied.
D. A population is the entire group that is being studied while a sample is a person or object that is a member of the population being studied.

3. Complete the sentences.

(1) __ statistics consists of organizing and summarizing information collected, while (2) __ statistics uses methods that generalize results obtained from a sample to the population and measure the reliability of the results.

A. (1) Quantitative, (2) Inferential
B. (1) Inferential, (2) Qualitative
C. (1) Quantitative, (2) Descriptive
D. (1) Descriptive, (2) Inferential

4. Determine whether the underlined value is a parameter or a statistic.

The average score for a class of 28 students taking a calculus midterm exam was 72%.

Is the value a parameter or a statistic?

A. The value is a parameter because the class of 28 students is a population.
B. The value is a parameter because the class of 28 students is a sample.
C. The value is a statistic because the class of 28 students is a population.
D. The value is a statistic because the class of 28 students is a sample.



Answer :

GinnyAnswer

Final answer:

Statistics involves analyzing data to draw conclusions with confidence. A population is the entire group studied, while a sample is a subset of the population. Parameters represent the whole population, while statistics estimate parameters using sample data.


Explanation:

Statistics is the science of collecting, organizing, summarizing, and analyzing information to draw conclusions and answer questions. It involves providing a measure of confidence in any conclusions drawn. A population refers to the entire group being studied, while a sample is a subset of the population being studied. A parameter represents a characteristic of the entire population, while a statistic is a quantity computed from a sample to estimate the population parameter.


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