Data Interpretation - Practice Ex.

Table Chart:-

Examples 1-5 are based on this Table Chart.

The following chart is a record of the performance of a baseball team for the first seven weeks of the season.

Games Won/ Games Lost/ Total No.of Games Played
First Week 5/ 3/ 8
Second Week 4/ 4/ 16
Third Week 5/ 2/ 23
Fourth Week 6/ 3/ 32
Fifth Week 4/ 2/ 38
Sixth Week 3/ 3/ 44
Seventh Week 2/ 4/ 50

Example 1
How many games did the team win during the first seven weeks?

(A) 32
(B) 29
(C) 25
(D) 21
(E) 50

Solution
Choice B is correct. To find the total number of games won, add the number of games won for all the weeks, 5 + 4 + 5 + 6 + 4 + 3 + 2 = 29.

Example 2
What percent of the games did the team win?

(A) 75%
(B) 60%
(C) 58%
(D) 29%
(E) 80%

Solution
Choice C is correct. The team won 29 out of 50 games or 58%.

Example 3
According to the chart, which week was the worst for the team?

(A) second week
(B) fourth week
(C) fifth week
(D) sixth week
(E) seventh week

Solution
Choice E is correct. The seventh week was the only week that the team lost more games than it won.

Example 4
Which week was the best week for the team?

(A) first week
(B) third week
(C) fourth week
(D) fifth week
(E) sixth week

Solution
Choice B is correct. During the third week, the team won 5 games and lost 2, or it won about 70% of the games that week. Compared with the winning percentages for other weeks, the third week’s was the highest.

Example 5
If there are fifty more games to play in the season, how many more games must the team win to end up winning 70% of the games?

(A) 39
(B) 35
(C) 41
(D) 34
(E) 32

Solution
Choice C is correct. To win 70% of all the games, the team must win 70 out of 100. Since it won 29 games out of the first 50 games, it must win (70 - 29) or 41 games out of the next 50 games.

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