Question
1. Identify the type of data (qualitative/quantitative) and the level of measurement for the temperatures in Fahrenheit in which the respondents to a survey live.
1. Identify the type of data (qualitative/quantitative) and the level of measurement for the temperatures in Fahrenheit in which the respondents to a survey live. Explain your choice.
Are the data qualitative or quantitative?
A. Quantitative, because descriptive terms are used to measure or classify the data.
B. Qualitative, because descriptive terms are used to measure or classify the data.
C. Quantitative, because numerical values are used to measure or classify the data.
D. Qualitative, because numerical values, found by either measuring or counting, are used to describe data.
What is the data set's level of measurement?
A. Ordinal, because the data are categories or labels that can be ranked.
B. Ratio, because the differences in the data can be meaningfully measured, and the data have a true zero point.
C. Interval, because the differences in the data can be meaningfully measured, but the data do not have a true zero point.
D. Nominal, because the data are categories or labels that cannot be ranked.
2. Identify each of the following as either descriptive or inferential statistics.
The average wage of a random sample of 160 collegeprofessors in 2017 was $63,200.
Choose the correct answer below.
A.
It is descriptive statistics because it summarizes the information in a sample.
B.
It is inferential statistics because it summarizes the information in a sample.
C.
It is inferential statistics because it uses a sample to make a claim about a population.
D.
It is descriptive statistics because it uses a sample to make a claim about a population.
3. Identify the type of data(qualitative/quantitative) and the level of measurement for the runtime ofamovie. Explain your choice.
Are the data qualitative orquantitative?
A.
Quantitative, because descriptive terms are used to measure or classify the data.
B.
Qualitative, because descriptiveterms are used to measure or classify the data.
C.
Quantitative, because numericalvalues are used to measure or classify the data.
D.
Qualitative, because numericalvalues, found by either measuring orcounting, are used to describe the data.
What is the dataset's level ofmeasurement?
A.
Nominal, because the data are categories or labels that cannot be ranked.
B.
Ordinal, because the data are categories or labels that can be ranked.
C.
Interval, because the differences inthedata canbe meaningfully measured, butthedata donothave atrue zeropoint.
D.
Ratio, because the differences inthedata canbe meaningfully measured, andthe datahave atrue zeropoint.
4. Identify the type of data(qualitative/quantitative) and the level of measurement for the following variable. Explain your choice.
The averagetemperature(inC)ofwatersamplestakeninthelakesinaregion
Are the data qualitative orquantitative?
A.
Qualitative, because descriptive terms are used to measure or classify the data.
B.
Qualitative, because numericalvalues, found by either measuring orcounting, are used to describe the data.
C.
Quantitative, because numericalvalues, found by either measuring orcounting, are used to describe the data.
D.
Quantitative, because descriptive terms are used to measure or classify the data.
What is the dataset's level ofmeasurement?
A.
Ordinal, because the data are categories or labels that can be ranked.
B.
Ratio, because the differences in the data can be meaningfullymeasured, and the data have a true zero point.
C.
Nominal, because the data are categories or labels that cannot be ranked.
D.
Interval, because the differences in the data can be meaningfullymeasured, but the data donothave a true zero point.
5. Consider the following population data values.
25
17
8
12
31
18
a) Calculate the range.
b) Calculate the variance.
c) Calculate the standard deviation.
a) The range is ______
(integer or adecimal.)
b) The population variance is_________
(integer or decimal rounded to two decimal places asneeded.)
c) The population standard deviation is________
(integer or decimal rounded to two decimal places asneeded.)
6. Identify the data as either time-series orcross-sectional.
The accompanying table shows the openingprice of the three major hedgefunds on June 18, 2018.
HedgeFund OpeningPrice
A 23,179
B 7,029
C 2,584
Choose the correct answer below.
A.
The data arecross-sectional because the data are measurements from one specific time period.
B.
The data arecross-sectional because the data are measurements over a range of time.
C.
The data are time series because the data are measurements over a range of time.
D.
The data are time series because the data are measurements from one specific time period.
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