Question

8. Determine whether the value is from a discrete or continuous data set.

Number of days of rainfall in a year is 15Number of days of rainfall in a year is 15

Is the value from a discrete or continuous data​ set?

DiscreteDiscrete

ContinuousContinuous

9. Determine which of the four levels of measurement​ (nominal, ordinal,​ interval, ratio) is most appropriate.

Favorite filmsFavorite films

Choose the correct level of measurement.

A.

OrdinalOrdinal

B.

NominalNominal

C.

Interval

D.

Ratio

11. Identify the level of measurement of the​ data, and explain what is wrong with the given calculation.

In a​ survey, the

hair colorshair colors

of respondents are identified as

100100

for

brown hair commabrown hair,

200200

for

blond hair commablond hair,

300300

for

black hair commablack hair,

and

400400

for anything else. The average​ (mean) is calculated for

568568

respondents and the result is 256.1 .256.1.

The data are at the level of measurement.

▼

a.nominal

b.ordinal

c.interval

d.ratio

12. Identify the level of measurement of the​ data, and explain what is wrong with the given calculation.

In a set of​ data,

movie ratingsmovie ratings

are represented as

100100

for

1 star comma1 star,

200200

for

2 stars comma2 stars,

and

300300

for

3 stars.3 stars.

The average​ (mean) of the

537537

movie ratingsmovie ratings

is 231.2 .231.2.

The data are at the level of measurement.

▼

1. ordinal
2. nominal
3. ratio
4. interval

13. Which of the following is associated with a​ parameter?

Choose the correct answer below.

A.

Data that were obtained from an entire population.

B.

Data that were obtained from a sample.

C.

Data that were obtained from a voluntary poll at the end of a service call.

D.

A numerical measurement describing some characteristic of a sample.

15. Which characteristic of data is a measure of the amount that the data values​ vary?

Choose the correct answer below.

1. Variation

2. Distribution

3. Center

4. Time

Answer 1

8) we can able to count the number of days , so here the number of days of rainfall in a year is 15 is a discrete variable.

9) favourite films is a nominal level of measurement

11) the data the nominal level of measurement. So we can't find the average it doesn't make any sense.

12) the data are ordinal level of measurement we can't find any average to this type of data. so it does not make any sense.

13) data that were obtained from an entire population.

15) variation can be the value that vary.