Determine whether the given value is from a discrete or continuous data set. When a car is randomly selected, it is found to have a length of 13.67 ft. Choose the correct answer below. OA. A discrete data set because there are infinitely many possible values and those values can be counted. OB. A discrete data set because there are a finite number of possible values. O C. The data set is neither continuous nor discrete. OD. A continuous data set because there are infinitely many possible values and those values cannot be counted

Determine which of the four levels of measurement (nominal, ordinal, interval, ratio) is most appropriate. Ages of children: 4, 5, 6, 7, and 8 Choose the correct answer below. O O Ratio Ordinal Interval Nominal O

Determine which of the four levels of measurement (nominal, ordinal, interval, ratio) is most appropriate. Favorite films Choose the correct level of measurement. O A. Ratio O B. Interval OC. Ordinal OD. Nominal

Determine which of the four levels of measurement (nominal, ordinal, interval, ratio) is most appropriate for the data below. Brain volumes measured in cubic cm Choose the correct answer below. O A. The interval level of measurement is most appropriate because the data can be ordered, differences (obtained by subtraction) can be found and are meaningful, and there is no natural starting point. O B. The ordinal level of measurement is most appropriate because the data can be ordered, but differences obtained by subtraction) cannot be found or are meaningless. O C. The nominal level of measurement is most appropriate because the data cannot be ordered. OD. The ratio level of measurement is most appropriate because the data can be ordered, differences can be found and are meaningful, and there is a natural starting zero point.

Determine which of the four levels of measurement (nominal, ordinal, interval, ratio) is most appropriate for the data below. Social security numbers Choose the correct answer below. O A. The ratio level of measurement is most appropriate because the data can be ordered, differences (obtained by subtraction) can be found and are meaningful, and there is a natural starting point. OB. The nominal level of measurement is most appropriate because the data cannot be ordered. O C. The ordinal level of measurement is most appropriate because the data can be ordered, but differences (obtained by subtraction) cannot be found or are meaningless. OD. The interval level of measurement is most appropriate because the data can be ordered, differences obtained by subtraction) can be found and are meaningful, and there is no natural starting point.

Determine which of the four levels of measurement (nominal, ordinal, interval, ratio) is most appropriate for the data below. Years in which an Olympics was held Choose the correct answer below. O A. The ratio level of measurement is most appropriate because the data can be ordered, differences obtained by subtraction) can be found and are meaningful, and there is a natural starting point. OB. The nominal level of measurement is most appropriate because the data cannot be ordered. OC. The interval level of measurement is most appropriate because the data can be ordered, differences (obtained by subtraction) can be found and are meaningful, and there is no natural starting zero point. OD. The ordinal level of measurement is most appropriate because the data can be ordered, but differences (obtained by subtraction) cannot be found or are meaningless.

Determine which of the four levels of measurement (nominal, ordinal, interval, ratio) is most appropriate for the data below. Mood levels of "happy," "alright," and "sad" Choose the correct answer below. O A. The ordinal level of measurement is most appropriate because the data can be ordered, but differences (obtained by subtraction) cannot be found or are meaningless. OB. The nominal level of measurement is most appropriate because the data cannot be ordered. O C. The ratio level of measurement is most appropriate because the data can be ordered, differences obtained by subtraction) can be found and are meaningful, and there is a natural starting point. OD. The interval level of measurement is most appropriate because the data can be ordered, differences (obtained by subtraction) can be found and are meaningful, and there is no natural starting point.

Identify the level of measurement of the data, and explain what is wrong with the given calculation. In a survey, the favorite foods of respondents are identified as 10 for italian food, 20 for mexican food, 30 for chinese food, and 40 for anything else. The average (mean) is calculated for 595 respondents and the result is 22.3. The data are at the level of measurement

## Answer

1. B. The value is a statistic because it is a numerical measurement describing some characeristic of a sample.

(Parameters are numbers that summarize data for an entire population whereas Statistics are numbers that summarize data from a sample. Here 52% is the sample proportion.)

2. Statistic because it is a numerical measurement describing some characeristic of a sample.

(Parameters are numbers that summarize data for an entire population whereas Statistics are numbers that summarize data from a sample. Here 35% is the sample proportion.)

3. D. The given value is a statistic for the year because the data collected represent a sample.

(Parameters are numbers that summarize data for an entire population whereas Statistics are numbers that summarize data from a sample. Here the value 123.7 volts is the sample mean.)

4. D. A continuous data set because there are infinitely many possible values and those values cannot be counted.

(Discrete data is information that can only take certain values.On the other hand continuous data is data that can take any value. Here since length can take any values so it is continuous.)

**As per the guidelines the first four sums are done

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