Chapter 2.1, Problem 2.4E

(a)

To determine

To Explain: the reason why cannot use a pie chart on the basis of given data.

Explanation of Solution

Given:

English Language/composition = 63%

French Language = 70%

Spanish Language = 64%

Psychology = 65%

Here is given various subject percentages in English Language/Composition, French Language, Spanish Language and Psychology if adding all the percentage of given subject total of all will not be 100% that is reason that pie chart cannot be used

(b)

To determine

To construct: the bar graph on the basis of given data.

Explanation of Solution

Given:

English Language/composition = 63%

French Language = 70%

Spanish Language = 64%

Psychology = 65%

Graph:

Orders of bars from tallest to shortest

  

(c)

To determine

To find: that is it possible to observe whether girls perform better or not on the basis of given data.

Answer to Problem 2.4E

Not possible

Explanation of Solution

It is not possible to observe that whether girls perform better in these subjects area because the given data is only of the examination taken by the female candidates. On the basis of examination taken not possible it requires the results of the girls which are not given any results of the girls and boys.