Question

1

For the following description of data, identify the W's, name the variables, specify for each variable whether its use indicates it should be treated as categorical or quantitative, and for any quantitative variable identify the units in which it was measured (or note that they were not provided). Specify whether the data come from a designed survey or experiment. Are the variables time series or cross-sectional? Report any concerns you have as well.

A certain horse race has been run every year since 1874 in a city. The accompanying table shows the official race data for the first two races and two recent races.

Data Table

Year	Winner	Margin (lengths)	Jockey	Winner's Payoff ($)	Duration (min:sec)	Track Condition
1874	Blacky	1	Hugh	2950	2:37.25	Fast
1875	Thunder	1	Oswald	3900	2:38.50	Fast
...
2004	Charlie	4 2 1/4	Ben	905,000	2:01.19	Slow
2005	Einstein	4 4 3/4	Juan	800,000	1:59.97	Slow

Identify the "who." Choose the correct answer below.

A.

The horses that competed in the city's horse races

B.

Horse races

C.

The city's horse races

D.

This information is not given.

2

Identify the "what." Choose the correct answer below.

A.

Year, margin, winner's payoff, duration

B.

Winner, jockey, track condition

C.

Year, winner, margin, jockey, winner's payoff, duration, track condition

D.

This information is not given.

3

Identify the "when." Choose the correct answer below.

A.

18741874 -20052005

B.

May

C.

1874 ,

1875 ,

2004 ,

and 2005

D.

This information is not given.

4

Identify the "where." Choose the correct answer below.

A.

The city where the horse races took place

B.

All race tracks in the state

C.

United States

D.

This information is not given.

5

Identify the "why." Choose the correct answer below.

A.

To compare the times of the winners from year to year

B.

To maintain a list of the winners

C.

To see if the same horse won in multiple years

D.

This information is not given.

6

dentify the "how." Choose the correct answer below.

A.

A chronic better recorded the data.

B.

A random sample of races was taken.

C.

Official statistics were collected at the time of the race.

Your answer is correct.

D.

This information is not given.

Specify the categorical variables for this problem. Select all that apply.

A.

Winner

This is the correct answer.

B.

Jockey

This is the correct answer.

C.

Track Condition

Your answer is correct.

D.

Margin

Your answer is not correct.

E.

Year

Your answer is not correct.

F.

Duration

G.

Winner's payoff

H.

There are no categorical variables.

Specify the quantitative variables and identify the units for this problem. Select all that apply.

A.

Margin; the units are lenghts

B.

Jockey; the units not specified

C.

Duration; the units are minutes and seconds

D.

Track condition; the units not specified

E.

Winner's payoff; the units are dollars

F.

Year; the units are years

G.

Winner; the units not specified

H.

There are no quantitative variables.

Specify whether the data come from a designed survey or experiment. Choose the correct answer below.

A.

Experiment

B.

Designed survey

C.

This information cannot be determined by the given data.

re the variables time series or cross-sectional?

Cross-sectional

Time series

Neither

Specify any concerns. Select all that apply.

A.

There are too many quantitative variables.

B.

The data collection was done incorrectly.

C.

The data sample size was too large.

D.

There are no specific concerns.

Answer 1

Here there is data for this particular cities horse races. Each year these races are held in the city and their information is noted/stored. As per Chegg Question and Answer norms, i am answering the first 4 sub questions of the question, i.e., 1,2,3,4.

1. identify the "who." Choose the correct answer below.

Ans. C.The city's horse races

2 Identify the "what." Choose the correct answer below.

Ans. C. Year, winner, margin, jockey, winner's payoff, duration, track condition

3 Identify the "when." Choose the correct answer below.

Ans. C. 1874 ,1875 , 2004 , and 2005

4 Identify the "where." Choose the correct answer below.

Ans. A. The city where the horse races took place

Hope this helps. All the best..!