Introduction to Data Interpretation
Direction: Study the following table and answer the questions.
 The total number of students scoring 50% or more marks is

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According to given table, we have
Required answer = 675Correct Option: D
According to given table, we have
Required answer = 675
 Which school has the highest number of students scoring exactly 50% marks?

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As per the given above table , we see
School B has the highest number of students scoring exactly 50% marks .Correct Option: C
As per the given above table , we see
School B has the highest number of students scoring exactly 50% marks .
So , Option C is correct answer .
 The ratio of the total number of students scoring marks less than 50% to that of scoring marks exactly 50% is

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According to given table, we have
Total number of students scoring marks less than 50% = 240 + 220 + 300 + 280 + 210 = 1250
Total number of students scoring marks exactly 50% = 55 + 40 + 20 + 10 + 25 = 100Correct Option: C
According to given table, we have
Total number of students scoring marks less than 50% = 240 + 220 + 300 + 280 + 210 = 1250
Total number of students scoring marks exactly 50% = 55 + 40 + 20 + 10 + 25 = 100
Required ratio = 1250 : 100 = 25 : 4
Direction: The following table gives zone wise survey report of the people of a country who take coffee. Study the table and answer the questions.
 The ratio of the total number of people surveyed who take coffee more than 3 times a day to the total number of people who do not take coffee at all is

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As per the given above table , we see
Number of people who take coffee more than 3 times a day = 410 + 310 + 700 + 1450 = 2870
Total number of people who do not take coffee at all = 950 + 430 + 620 + 50 = 2050
Required ratio = Number of people who take coffee more than 3 times a day : Total number of people who do not take coffee at allCorrect Option: B
As per the given above table , we see
Number of people who take coffee more than 3 times a day = 410 + 310 + 700 + 1450 = 2870
Total number of people who do not take coffee at all = 950 + 430 + 620 + 50 = 2050
Required ratio = Number of people who take coffee more than 3 times a day : Total number of people who do not take coffee at all
∴ Required ratio = 2870 : 2050 = 1.4 : 1 = 14 : 10 = 7 : 5
 The percentage of people from nonwest zone who take coffee ‘only once a week’ is approximately

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On the basis of given table in question ,
Total people in north zone = 4840
Total people in south zone = 3390
Total people in east zone = 2820
Total population = 4840 + 3390 + 2820 = 11050
People who take coffee only once a week in these zones = 620 + 540 + 350 = 1510Correct Option: D
On the basis of given table in question ,
Total people in north zone = 4840
Total people in south zone = 3390
Total people in east zone = 2820
Total population = 4840 + 3390 + 2820 = 11050
People who take coffee only once a week in these zones = 620 + 540 + 350 = 1510Required percent = 1510 × 100 ≈ 14 11050