Chapter 11.2, Problem 9E

a.

To determine

To compare: the median, range and interquartile range for the team New York Yankees and Texas Rangers baseball

  

Answer to Problem 9E

The median of New York Yankees is $31$ and Texas Rangers baseball is $27$

The range of New York Yankees is $16$ and Texas Rangers baseball is $17$

The interquartile range of New York Yankees is $5$ and Texas Rangers baseball is $6$

Explanation of Solution

Given information: Consider, the data provided in the question

Calculation: To calculate the range, median, interquartile range

Median of New York Yankees $=31$

Median of Texas Rangers baseball $=27$

Range of New York Yankees $=40-24=16$

Range of Texas Rangers baseball $=39-22=17$

Interquartile range of New York Yankees $=34.5-29.5=5$

Interquartile range Texas Rangers baseball $=31-25=6$

b.

To determine

To calculate: at what percent Yankees and rangers are less than $31$ years

Answer to Problem 9E

  $50\%$ are Yankees

  $75\%$ are Rangers

Explanation of Solution

Given information: Consider, the data provided in the question

Calculation: To find the percent at which Yankees and rangers are years old

So,

Yankees are $50\%$

Rangers are $75\%$

c.

To determine

To state: that which team is older

Answer to Problem 9E

Yankees is the older team

Explanation of Solution

Given information: Consider, the data provided in the question

To state that which team is

Since,

Yankees is $31$ year old that’s why Yankees is the older team