Recent evals Flashcards

1
Q

If a teacher computes the mean for a set of test scores and then subtracts this mean from each score, the sum of the resulting set of difference scores will equal to:

A

Zero

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2
Q

The difference between the highest observed value and the lowest observed value:

A

Range

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3
Q

What response variables are mentioned in the study?

A

Breast cancer and colon cancer

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4
Q

What graphical presentation is best suited for distributions having a discrete basis of classification?

A

Vertical bar diagram

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5
Q

Which statement is true of a frequency polygon?

A

We are interested with measurement of area

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6
Q

When a researcher is interested with the leading causes of infant mortality in Region XI, the following graphical presentation is/are preferred?

A

Horizontal bar diagram

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7
Q

What graphical presentation is best suited for distributions having a discrete basis of classification?

A

Vertical bar diagram

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8
Q

In this distribution, the points above the median will tend to be farther from the median in absolute value than points below the median?

A

Skewed to the right distribution

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9
Q

For distribution of infants according to illness

A

Vertical bar diagram

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10
Q

50% of neonates die in the ______ of life.

A

First 2 days

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11
Q

To decrease childhood mortality, unchanged:

A

Neonatal mortality

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12
Q

Amount of fat in a person’s diet is:

a) a confounding variable
b) Dependent variable
c) Response variable
d) Independent variable
e) None of the above

A

d) Independent variable

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13
Q

The risk to breast cancer is not conclusive among women whether she is on high fat or extremely lean diet. This means that breast cancer is not considered as dependent variable in the study

a) True
b) False
c) Cannot be determined

A

b) False

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14
Q

Dot diagram

a) Correlation data for two quantitative variable
b) Discontinuous variable
c) This is used for qualitative data
d) None of the above

A

a) Correlation data for two quantitative variable

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