Question # 1

In a bar chart what does the height or length of each bar represent.

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The total numebr of categories

The value fo the corresponding category

The average of all values

The difference between the highest and lowest values

In biostatictics which method is used to predict future outcom based on current data.

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Designing experiments

Predicting outcomes

Interpreting result

Analysing data

The middle value fo a data set when the values are arranged in ascending or descending order is called.

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Mode

Mean

Median

None above

The value that appears most frequenctly is a data.

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Mode

Mean

Median

All above

What is the primary purpose of biostatistics.

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To analyse finacncial data

To aply sttical methods to biological sciecnes

To design engineering models

To study historical events

In a data set with values 3,3,67,8,9,9 what is the mode.

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3

6

7

Both 3 and 9

Genetic studies use biostatistics to identify genetic markers linked to diseases like

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Hepatitis

Cancer

Diabetes

Both B and C

When the number of values in a data set is even, how is the median calculated.

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By seleting the most frequent value

By taking the average of the two middle values

By choosing the middle value

By adding all values and dividing by the total number of values

If a data set has no reprated values what is the mode.

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There is no mode

The median value

The average of the data set

The highest value

When constructing a bar chart which axis usually represents the categories.

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Vertical axis

Horizontal axis

Both axes equaly represent the categories

Neither axis reprents the categories

Which of the followign is effective for comparing differente categories and visually representing the distributions of data

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Mode

Bar charts

Mean

Median

What is the mean of the data set 8,9,,10,11

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7

9

8

10

Biostatistices is essential for

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Designing biologicla experiments

Chemicla trials

Epidemiological studies

All above

if the data set is 5812,15,20 what is the median.

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8

12

15

20

Which of the following best describes the mean of a data set.

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The most frequent occuring value

The sum of all values divided by the number of values

The middle value when data is ordered

The difference between the highest and lowest values

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