EXST 2201 EXAM 2 QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS VERIFIED LATEST UPDATE GRADED A++
[know] To make an important decision in life, we want to know what type of
information from statistics?
Population information.
Sample information.
Probability information.
Probabilistic information.
population information
[know] Why does the population contain more information than a sample?
The population has more data values than a sample.
The population is used to get a sample.
Populations are defined by the researcher, so they have more information.
The population is the totality of the individuals of interest.
[know] Why does more data values contain more information?
Using more data values in the statistics gives a better idea of all the data values
in the population.
The same reason as more words in a paragraph gives more information.
Because calculation error is less for bigger numbers.
Because calculations are more efficient with more numbers.
,Using more data values in the statistics gives a better idea of all the data values in the
population.
[know] Select all steps used in the process to do statistical inference.
Select Answer(s)
Theorize.
Analyze.
Infer.
Theorize.
Analyze.
Infer.
[know] What type of statistics is used to get sample information?
Descriptive statistics because they describe the sample.
Descriptive statistics because they involve mathematical calculations.
Inferential statistics because they infer the population values.
Inferential statistics because they are more important than descriptive statistics.
Descriptive statistics because they describe the sample.
[know] What type of statistics is used to get population information?
Inferential statistics because they infer the population values.
Descriptive statistics because they involve mathematical calculations.
Descriptive statistics because they describe the sample.
Inferential statistics because they are more important than descriptive statistics.
Inferential statistics because they infer the population values.
,[know] Why is knowing the value of the population mean important?
Because it gives one value that is in the middle of all the data values.
Because it is used so often in statistics and interpretation of statistics.
Because most research papers and reports require the population mean.
Because it gives one value that is one of all the data values.
Because it gives one value that is in the middle of all the data values.
[know] Please select one answer in response to the statement: "We can never
know the true value of a population mean".
True, because we can never see the entire population to do the calculation.
True, because population values must be given to us.
False, because population data is just another column of data that can be used in
calculations.
False, because the sample average is the same value as the population mean.
True, because we can never see the entire population to do the calculation.
know] If knowing any one value in a column of data values, why is knowing the
value of the population mean important?
Because in the normal distribution, most of the data values are clustered close to
the mean value.
Because the population mean was developed first so it is used most often.
Because the population mean is the first mathematical moment when dealing with
a column of data values.
Because the population mean is just one value so it is easy to interpret.
, Because in the normal distribution, most of the data values are clustered close to the
mean value.
[know] Why is the sample average important in statistics?
Because it is the best sample estimator for the population mean.
Because it is one number like the population mean, so it is easy to use.
Because the sample average is the middle of the sample data values.
Because the sample average uses the same calculation as the population mean.
Because it is the best sample estimator for the population mean.
[know] Please select all steps in the General Method for Solving Problems in
Statistics.
Select Answer(s)
Abstract.
Theorize.
Analyze.
Infer.
Abstract.
Theorize.
Analyze.
Infer.
COMPLETE SOLUTIONS VERIFIED LATEST UPDATE GRADED A++
[know] To make an important decision in life, we want to know what type of
information from statistics?
Population information.
Sample information.
Probability information.
Probabilistic information.
population information
[know] Why does the population contain more information than a sample?
The population has more data values than a sample.
The population is used to get a sample.
Populations are defined by the researcher, so they have more information.
The population is the totality of the individuals of interest.
[know] Why does more data values contain more information?
Using more data values in the statistics gives a better idea of all the data values
in the population.
The same reason as more words in a paragraph gives more information.
Because calculation error is less for bigger numbers.
Because calculations are more efficient with more numbers.
,Using more data values in the statistics gives a better idea of all the data values in the
population.
[know] Select all steps used in the process to do statistical inference.
Select Answer(s)
Theorize.
Analyze.
Infer.
Theorize.
Analyze.
Infer.
[know] What type of statistics is used to get sample information?
Descriptive statistics because they describe the sample.
Descriptive statistics because they involve mathematical calculations.
Inferential statistics because they infer the population values.
Inferential statistics because they are more important than descriptive statistics.
Descriptive statistics because they describe the sample.
[know] What type of statistics is used to get population information?
Inferential statistics because they infer the population values.
Descriptive statistics because they involve mathematical calculations.
Descriptive statistics because they describe the sample.
Inferential statistics because they are more important than descriptive statistics.
Inferential statistics because they infer the population values.
,[know] Why is knowing the value of the population mean important?
Because it gives one value that is in the middle of all the data values.
Because it is used so often in statistics and interpretation of statistics.
Because most research papers and reports require the population mean.
Because it gives one value that is one of all the data values.
Because it gives one value that is in the middle of all the data values.
[know] Please select one answer in response to the statement: "We can never
know the true value of a population mean".
True, because we can never see the entire population to do the calculation.
True, because population values must be given to us.
False, because population data is just another column of data that can be used in
calculations.
False, because the sample average is the same value as the population mean.
True, because we can never see the entire population to do the calculation.
know] If knowing any one value in a column of data values, why is knowing the
value of the population mean important?
Because in the normal distribution, most of the data values are clustered close to
the mean value.
Because the population mean was developed first so it is used most often.
Because the population mean is the first mathematical moment when dealing with
a column of data values.
Because the population mean is just one value so it is easy to interpret.
, Because in the normal distribution, most of the data values are clustered close to the
mean value.
[know] Why is the sample average important in statistics?
Because it is the best sample estimator for the population mean.
Because it is one number like the population mean, so it is easy to use.
Because the sample average is the middle of the sample data values.
Because the sample average uses the same calculation as the population mean.
Because it is the best sample estimator for the population mean.
[know] Please select all steps in the General Method for Solving Problems in
Statistics.
Select Answer(s)
Abstract.
Theorize.
Analyze.
Infer.
Abstract.
Theorize.
Analyze.
Infer.
