## 1. What does a bar graph represent?

### Answer:

### Explanation:

A bar graph represents discrete data where data can be counted.

## 2. In a pie chart, the total angle at the center of the circle is:

### Answer:

### Explanation:

A pie chart represents data in the form of sectors of a circle, and the total angle at the center is always 360°.

## 3. Which of the following is NOT a measure of central tendency?

### Answer:

### Explanation:

Range is a measure of dispersion, not central tendency.

## 4. The median of a data set divides it into:

### Answer:

### Explanation:

The median divides the data set into two equal halves.

## 5. Which graph represents continuous data?

### Answer:

### Explanation:

A line graph represents continuous data.

## 6. If the mode of a data set occurs twice, the data is called:

### Answer:

### Explanation:

When the mode occurs twice in a data set, it's referred to as bimodal.

## 7. The difference between the highest and lowest values in a data set is:

### Answer:

### Explanation:

The range is defined as the difference between the highest and lowest values in a data set.

## 8. Which of these is a type of bar graph where the bars are drawn horizontally?

### Answer:

### Explanation:

In a horizontal bar graph, the bars are drawn horizontally.

## 9. Which measure of central tendency is affected most by extreme values?

### Answer:

### Explanation:

Mean is affected by extreme values, whereas median and mode are resistant to such outliers.

## 10. Data that can be measured and expressed in numbers is called:

### Answer:

### Explanation:

Quantitative data refers to data that can be measured and expressed numerically.

## 11. In a histogram, the width of each bar represents a:

### Answer:

### Explanation:

In a histogram, the width of each bar corresponds to a class interval.

## 12. In which graph are symbols used to represent data?

### Answer:

### Explanation:

A pictograph uses symbols to represent data.

## 13. Which of the following cannot be represented using a pie chart?

### Answer:

### Explanation:

Pie charts represent categorical data, not continuous data like height.

## 14. A bell-shaped frequency distribution graph is known as:

### Answer:

### Explanation:

A bell-shaped curve represents the normal distribution.

## 15. If data is spread out over a small range, it has a ________ dispersion.

### Answer:

### Explanation:

If data is closely packed or spread out over a small range, it has low dispersion.

## 16. Which measure gives the most frequent item in a data set?

### Answer:

### Explanation:

Mode gives the value that occurs most frequently in a data set.

## 17. Which type of graph uses bars of equal width to show frequency distribution of continuous data?

### Answer:

### Explanation:

Histograms represent continuous data using bars of equal width.

## 18. The middle value of an ordered data set is called:

### Answer:

### Explanation:

The median is the middle value when a data set is arranged in order.

## 19. If the data leans to the right, it is:

### Answer:

### Explanation:

Data that leans to the right on a graph is positively skewed.

## 20. A data set with one mode is:

### Answer:

### Explanation:

A data set with one mode is termed as unimodal.