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.