Naples, Florida, hosts a half-marathon (13.1-mile race) in January each year. The event attracts top runners from throughout the United States as well as from around the world. 22 men and 31 women entered the 19-24 age class. Finish times in minutes are as follows. Times are shown in order of finish. Finish Men Women Finish Men Women Finish Men Women 1 67.21 110.94 11 110.96 125.79 21 145.74 138.66 2 68.18 113.13 12 112.14 127.69 22 150.61 140.11 3 68.43 113.56 13 114.81 131.43 23   140.91 4 68.76 113.84 14 115.43 131.78 24   149.09 5 72.78 116.29 15 122.86 132.63 25   149.26 6 89.09 120.24 16 129.89 133.58 26   149.41 7 98.36 123.16 17 130.31 133.94 27   149.66 8 100.43 123.99 18 132.81 135.11 28   155.79 9 102.43 124.39 19 133.71 135.41 29   156.74 10 110.09 124.53 20 140.54 138.48 30   191.18             31   191.19 a. Compare the firstplace finish times for men and women. If the 53  men and women runners had competed as one group, in what place would winner of women's marathon have finished? Round your answers to 2 decimal places. The first place runner in the men’s group finished ____ minutes (- Select your answer -ahead or behind) of the first place runner in the women’s group. b. What is the median time for men and women runners? Compare men and women runners based on their median times. Round your answers to 2 decimal places.   Men Women Median     Using the median finish times, the men’s group finished____  minutes - (Select your answer -ahead or behind) of the women’s group. c. Provide a five-number summary for both the men and the women. Round your answers to 2 decimal places.   Men Women Lowest Time     First Quartile     Median     Third Quartile     Highest Time     d. Are there outliers in either group? If data contain outliers enter the value. If there no outliers leave answer blank. If there is more than one value, separate your answers with commas (to 2 decimals). Outliers in the men's group.   Outliers in the women's group.   e. Which of the following box plots accurately displays the data set? A.   B.   C.   D.   - Select your answer -ABCDItem 19 Did men or women have the most variation in finish times? Explain. The box plots show the  -( Select your answer -men or women)  runners with the lower variation in finish times. The interquartile ranges of   (to 2 decimals) minutes for men and   (to 2 decimals) minutes for women support this conclusion.

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Naples, Florida, hosts a half-marathon (13.1-mile race) in January each year. The event attracts top runners from throughout the United States as well as from around the world. 22 men and 31 women entered the 19-24 age class. Finish times in minutes are as follows. Times are shown in order of finish.

Finish Men Women Finish Men Women Finish Men Women
1 67.21 110.94 11 110.96 125.79 21 145.74 138.66
2 68.18 113.13 12 112.14 127.69 22 150.61 140.11
3 68.43 113.56 13 114.81 131.43 23   140.91
4 68.76 113.84 14 115.43 131.78 24   149.09
5 72.78 116.29 15 122.86 132.63 25   149.26
6 89.09 120.24 16 129.89 133.58 26   149.41
7 98.36 123.16 17 130.31 133.94 27   149.66
8 100.43 123.99 18 132.81 135.11 28   155.79
9 102.43 124.39 19 133.71 135.41 29   156.74
10 110.09 124.53 20 140.54 138.48 30   191.18
            31   191.19

a. Compare the firstplace finish times for men and women. If the 53  men and women runners had competed as one group, in what place would winner of women's marathon have finished? Round your answers to 2 decimal places.

The first place runner in the men’s group finished ____ minutes (- Select your answer -ahead or behind) of the first place runner in the women’s group.

b. What is the median time for men and women runners? Compare men and women runners based on their median times. Round your answers to 2 decimal places.

  Men Women
Median    

Using the median finish times, the men’s group finished____  minutes - (Select your answer -ahead or behind) of the women’s group.

c. Provide a five-number summary for both the men and the women. Round your answers to 2 decimal places.

  Men Women
Lowest Time    
First Quartile    
Median    
Third Quartile    
Highest Time    

d. Are there outliers in either group?

If data contain outliers enter the value. If there no outliers leave answer blank. If there is more than one value, separate your answers with commas (to 2 decimals).

Outliers in the men's group.

 

Outliers in the women's group.

 

e. Which of the following box plots accurately displays the data set?

A.   B.  
C.   D.  

- Select your answer -ABCDItem 19

Did men or women have the most variation in finish times? Explain.

The box plots show the  -( Select your answer -men or women)  runners with the lower variation in finish times. The interquartile ranges of   (to 2 decimals) minutes for men and   (to 2 decimals) minutes for women support this conclusion.

 

 

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