PAPA PAPA Data Interpretation & Statistics 2

Question 1

A table shows 5 students scored: 88, 92, 76, 88, 96. What is the median?

Accepted Answer

88

Answer

Ordered: 76, 88, 88, 92, 96 — the middle (3rd) value is 88.

Question 2

A scatter plot with points trending upward from left to right shows:

Accepted Answer

A positive correlation

Answer

An upward trend in a scatter plot indicates a positive correlation between the two variables.

Question 3

If a graph's y-axis does not start at zero, the graph may:

Accepted Answer

Exaggerate differences between values

Answer

A truncated y-axis can make small differences appear much larger than they actually are.

Question 4

Which measure of central tendency is most affected by extreme values (outliers)?

Accepted Answer

Mean

Answer

The mean is calculated using all values, so a very large or very small outlier can significantly shift it.

Question 5

A two-way table displays data comparing gender and preferred subject. This table best helps you analyze:

Accepted Answer

The relationship between two categorical variables

Answer

Two-way tables organize data to show frequency distributions across two categorical variables simultaneously.

(PAPA) Pre-service Academic Performance Assessment Practice Test