BGS, BSGS Bachelor of General Studies Mathematics and Statistics

Question 1

What is the 'mean' of a data set?

Accepted Answer

The arithmetic average of all values

Answer

The middle value when data is sorted

Answer

The value that appears most often

Answer

The difference between the highest and lowest values

Question 2

Which measure of central tendency is least affected by extreme outliers?

Accepted Answer

Median

Answer

Mean

Answer

Range

Answer

Standard Deviation

Question 3

What does a probability of 0 mean for an event?

Accepted Answer

The event is impossible

Answer

The event will definitely occur

Answer

The event has a 50% chance of occurring

Answer

The event is very unlikely

Question 4

What is the formula for the area of a rectangle?

Accepted Answer

Length × Width

Answer

Side × Side

Answer

2 × (Length + Width)

Answer

½ × Base × Height

Question 5

In a normal distribution, approximately what percentage of data falls within one standard deviation of the mean?

Accepted Answer

68%

Answer

50%

Answer

95%

Answer

99.7%

Question 6

What is the purpose of a histogram in statistics?

Accepted Answer

To display the frequency distribution of a data set

Answer

To show the relationship between two variables

Answer

To calculate the mean of a data set

Answer

To track changes over time