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Question

Consider the following table which contain number of blood samples given in bracket collected by a hospital to identify blood group in a particular month. Based on the data in the table answer question.

Hospital

Hospital

Hospital

Hospital

Hospital

Reported Blood group

W

X

Y

Z

(1000)

(500)

(1000)

(500)

A Positive

300

150

350

100

B Positive

350

100

300

100

A Negative

150

50

150

50

B Negative

100

50

50

150

Which hospital reported highest negative blood group?

The correct answer is

Hospital W

The question asks us to identify which hospital reported the highest number of negative blood group samples based on the provided table. The table lists the number of samples collected for different blood groups by four hospitals: W, X, Y, and Z.

Hospital Total Samples A Positive B Positive A Negative B Negative
W 1000 300 350 150 100
X 500 150 100 50 50
Y 1000 350 300 150 50
Z 500 100 100 50 150

Calculating Negative Blood Samples Per Hospital

To find the hospital with the highest reported negative blood group samples, we need to sum the counts for 'A Negative' and 'B Negative' blood groups for each hospital.

  • For Hospital W:

    Total Negative Samples (W) = Samples (A Negative) + Samples (B Negative)

    Total Negative Samples (W) $= 150 + 100 = 250$

  • For Hospital X:

    Total Negative Samples (X) = Samples (A Negative) + Samples (B Negative)

    Total Negative Samples (X) $= 50 + 50 = 100$

  • For Hospital Y:

    Total Negative Samples (Y) = Samples (A Negative) + Samples (B Negative)

    Total Negative Samples (Y) $= 150 + 50 = 200$

  • For Hospital Z:

    Total Negative Samples (Z) = Samples (A Negative) + Samples (B Negative)

    Total Negative Samples (Z) $= 50 + 150 = 200$

Comparing Hospital Negative Blood Group Reports

Now we compare the total number of negative blood samples calculated for each hospital:

  • Hospital W: 250 samples
  • Hospital X: 100 samples
  • Hospital Y: 200 samples
  • Hospital Z: 200 samples

Comparing these values, we can see that Hospital W reported the highest number of negative blood group samples, with a total of 250.

Conclusion on Highest Negative Blood Group Report

Based on the calculations, Hospital W reported the highest number of negative blood group samples.

Revision Table: Blood Sample Analysis

Hospital A Negative B Negative Total Negative Samples
W 150 100 250
X 50 50 100
Y 150 50 200
Z 50 150 200

Additional Information: Understanding Blood Groups

Blood groups are classified based on the presence or absence of certain antigens on the surface of red blood cells. The ABO blood group system classifies blood into four main types: A, B, AB, and O. The Rh factor further classifies blood as either positive (+) or negative (-), depending on the presence or absence of the Rh antigen.

  • Positive Blood Group: Blood that has the Rh antigen.
  • Negative Blood Group: Blood that lacks the Rh antigen.

Understanding blood group distribution is important for blood transfusions and medical procedures. Negative blood groups, particularly O negative, are sometimes referred to as universal donors for red blood cells, making them crucial in emergencies.

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Important Questions from Data Interpretation

  1. The table given below shows the earnings of two persons on five different days.

    Earnings
    Days PQ
    Monday105150
    Tuesday96110
    Wednesday65122
    Thursday115106
    Friday13068
    What is the ratio of total earnings of P to the total earnings of Q? 
  2. The table below shows the number of toys of 6 different colours sold from a shop during a given period. The table also shows the percentage of toys of each colour which are cars.

    ColourTotal toysPercentage of cars
    C150012
    C260015
    C340012.5
    C455010
    C565020
    C645010

    What is the total number of car toys of C2 and C3 taken together?

  3. Study the given graph carefully and answer the question that follows. The graph shows the demand and production of different companies.

    The ratio between the companies having more production than demand and more demand than production is:

  4. Study the given table and answer the question that follows. The given table shows the number of new employees added to different categories of employees in a company for four years and the number of employees from these categories who left the company every year.

     

    During the period between 2001 and 2004, the total number of Technicians who left the Company is what percentage (rounded off to the nearest integer) of the total number of Technicians who joined the Company?

  5. The given pie-chart shows the percentage distribution of 20,000 employees in a company. Study the given chart and answer the question that follows. If 30% of the employees in department D are females, then how many male employees are there in that department?

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